We're dividing 85937643 by 870 
We want to figure out the number of times 85937643 can be divided by 870.

Step 1:
The number 870 fits into 8 0 times, leaving a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Take the next digit (5) from the dividend and append it to 8, then repeat: 85 / 870

Going ahead to step 2:
The number 870 fits into 85 0 times, leaving a remainder of 85.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 85, we end up with 85.
Take the next digit (9) from the dividend and append it to 85, then repeat: 859 / 870

Going ahead to step 3:
859 divided by 870 is 0 with a remainder of 859.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 859, we end up with 859.
Append the next digit (3) from the dividend to 859 and continue with: 8593 / 870

Step 4:
If we divide 8593 by 870, we get 9 and a remainder of 763.
The number 9 becomes the next digit in our result. 
Result so far: 9.0
Subtracting 7830 from 8593 leaves us with 763.
Append the next digit (7) from the dividend to 763 and continue with: 7637 / 870

Step 5:
If we divide 7637 by 870, we get 8 and a remainder of 677.
Put 8 as the next digit of the answer. 
Result so far: 98.0
If we subtract 6960 from 7637, we get 677.
Fetch the next digit (6) from the dividend, attach it to 677 and continue: 6776 / 870

Let's proceed to step 6:
870 can be fit into 6776 7 times, resulting in a remainder of 686.
The next digit of our result is 7. 
Result so far: 987.0
Subtracting 6090 from 6776 leaves us with 686.
Include the next digit (4) from the dividend after 686, then repeat: 6864 / 870

On to step 7:
If we divide 6864 by 870, we get 7 and a remainder of 774.
Write down 7 as next digit of the result. 
Result so far: 9877.0
The remainder is 774 after subtracting 6090 from 6864.
Append the next digit (3) from the dividend to 774 and continue with: 7743 / 870

Let's proceed to step 8:
The number 870 fits into 7743 8 times, leaving a remainder of 783.
The next digit of our result is 8. 
Result so far: 98778.0
Deduct 6960 from 7743 and we're left with 783.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7830, and continue the process.

On to step 9:
The number 870 fits into 7830 9 times, leaving a remainder of 0.
Record the quotient 9 as the next digit in the result. 
Result so far: 98778.9
If we subtract 7830 from 7830, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 10:
When dividing 0 by 870, we get 0 with a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 98778.9
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 11:
870 can be fit into 0 0 times, resulting in a remainder of 0.
The next digit of our result is 0. 
Result so far: 98778.9
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

In conclusion, the division gives 98778.9 with a balance of 0.0.