85666577 divided by 899 
We want to figure out the number of times 85666577 can be divided by 899.

Let's proceed to step 1:
If we divide 8 by 899, we get 0 and a remainder of 8.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Grab the next digit (5) from the dividend, add it to 8, then carry on: 85 / 899

Going ahead to step 2:
When dividing 85 by 899, we get 0 with a remainder of 85.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 85 and we're left with 85.
Bring next digit (6) of the dividend behind the 85 and repeat the process: 856 / 899

Step 3:
899 can be fit into 856 0 times, resulting in a remainder of 856.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 856 leaves us with 856.
Append the next digit (6) from the dividend to 856 and continue with: 8566 / 899

Advancing to step 4:
899 can be fit into 8566 9 times, resulting in a remainder of 475.
Use 9 as the next digit of our solution. 
Result so far: 9.0
Subtract 8091 from 8566 to get 475.
Grab the next digit (6) from the dividend, add it to 475, then carry on: 4756 / 899

On to step 5:
The number 899 fits into 4756 5 times, leaving a remainder of 261.
Write down 5 as next digit of the result. 
Result so far: 95.0
The remainder is 261 after subtracting 4495 from 4756.
Take the next digit (5) from the dividend and append it to 261, then repeat: 2615 / 899

Moving on to step 6:
If we divide 2615 by 899, we get 2 and a remainder of 817.
Use 2 as the next digit of our solution. 
Result so far: 952.0
Subtract 1798 from 2615 to get 817.
Append the next digit (7) from the dividend to 817 and continue with: 8177 / 899

Let's proceed to step 7:
8177 divided by 899 is 9 with a remainder of 86.
Use 9 as the next digit of our solution. 
Result so far: 9529.0
If we take 8091 away from 8177, we end up with 86.
Fetch the next digit (7) from the dividend, attach it to 86 and continue: 867 / 899

Step 8:
If we divide 867 by 899, we get 0 and a remainder of 867.
Use 0 as the next digit of our solution. 
Result so far: 95290.0
If we subtract 0 from 867, we get 867.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8670, and continue the process.

Advancing to step 9:
899 goes into 8670 9 times with a remainder of 579.
The number 9 becomes the next digit in our result. 
Result so far: 95290.9
If we subtract 8091 from 8670, we get 579.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5790, and continue the process.

On to step 10:
If we divide 5790 by 899, we get 6 and a remainder of 396.
The number 6 becomes the next digit in our result. 
Result so far: 95290.96
If we subtract 5394 from 5790, we get 396.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3960, and continue the process.

Let's proceed to step 11:
When dividing 3960 by 899, we get 4 with a remainder of 364.
Write down 4 as next digit of the result. 
Result so far: 95290.964
The remainder is 364 after subtracting 3596 from 3960.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3640, and continue the process.

Let's proceed to step 12:
899 can be fit into 3640 4 times, resulting in a remainder of 44.
Write down 4 as next digit of the result. 
Result so far: 95290.9644
The remainder is 44 after subtracting 3596 from 3640.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

The final outcome is 95290.9644, with a leftover of 0.00044.