86331 ÷ 9 = 9592 R3
Let's divide 86331 by 9.

Step 1:
9 goes into 8 0 times with a remainder of 8.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 8 to get 8.
Bring next digit (6) of the dividend behind the 8 and repeat the process: 86 / 9

Step 2:
9 goes into 86 9 times with a remainder of 5.
Write down 9 as next digit of of the result. 
Result so far: 9
Subtract 81 from 86 to get 5.
Bring next digit (3) of the dividend behind the 5 and repeat the process: 53 / 9

Step 3:
9 goes into 53 5 times with a remainder of 8.
Write down 5 as next digit of of the result. 
Result so far: 95
Subtract 45 from 53 to get 8.
Bring next digit (3) of the dividend behind the 8 and repeat the process: 83 / 9

Step 4:
9 goes into 83 9 times with a remainder of 2.
Write down 9 as next digit of of the result. 
Result so far: 959
Subtract 81 from 83 to get 2.
Bring next digit (1) of the dividend behind the 2 and repeat the process: 21 / 9

Step 5:
9 goes into 21 2 times with a remainder of 3.
Write down 2 as next digit of of the result. 
Result so far: 9592
Subtract 18 from 21 to get 3.

The final result is 9592 with a remainder of 3.