75577 ÷ 9 = 8397 R4
We're going to perform division on 75577 with 9 as the divisor.

Step 1:
9 goes into 7 0 times with a remainder of 7.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 7 to get 7.
Bring next digit (5) of the dividend behind the 7 and repeat the process: 75 / 9

Step 2:
9 goes into 75 8 times with a remainder of 3.
Write down 8 as next digit of of the result. 
Result so far: 8
Subtract 72 from 75 to get 3.
Bring next digit (5) of the dividend behind the 3 and repeat the process: 35 / 9

Step 3:
9 goes into 35 3 times with a remainder of 8.
Write down 3 as next digit of of the result. 
Result so far: 83
Subtract 27 from 35 to get 8.
Bring next digit (7) of the dividend behind the 8 and repeat the process: 87 / 9

Step 4:
9 goes into 87 9 times with a remainder of 6.
Write down 9 as next digit of of the result. 
Result so far: 839
Subtract 81 from 87 to get 6.
Bring next digit (7) of the dividend behind the 6 and repeat the process: 67 / 9

Step 5:
9 goes into 67 7 times with a remainder of 4.
Write down 7 as next digit of of the result. 
Result so far: 8397
Subtract 63 from 67 to get 4.

The final result is 8397 with a remainder of 4.