77575008 ÷ 512 
We're looking to find how many times 512 goes into 77575008.

Moving on to step 1:
When dividing 7 by 512, we get 0 with a remainder of 7.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Grab the next digit (7) from the dividend, add it to 7, then carry on: 77 / 512

Advancing to step 2:
The number 512 fits into 77 0 times, leaving a remainder of 77.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 77 to get 77.
Bring next digit (5) of the dividend behind the 77 and repeat the process: 775 / 512

Let's proceed to step 3:
512 goes into 775 1 times with a remainder of 263.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Subtracting 512 from 775 leaves us with 263.
Bring next digit (7) of the dividend behind the 263 and repeat the process: 2637 / 512

On to step 4:
512 can be fit into 2637 5 times, resulting in a remainder of 77.
Record the quotient 5 as the next digit in the result. 
Result so far: 15.0
The remainder is 77 after subtracting 2560 from 2637.
Bring next digit (5) of the dividend behind the 77 and repeat the process: 775 / 512

Moving on to step 5:
If we divide 775 by 512, we get 1 and a remainder of 263.
Write down 1 as next digit of the result. 
Result so far: 151.0
If we take 512 away from 775, we end up with 263.
Fetch the next digit (0) from the dividend, attach it to 263 and continue: 2630 / 512

Step 6:
512 goes into 2630 5 times with a remainder of 70.
Write down 5 as next digit of the result. 
Result so far: 1515.0
If we take 2560 away from 2630, we end up with 70.
Fetch the next digit (0) from the dividend, attach it to 70 and continue: 700 / 512

On to step 7:
512 can be fit into 700 1 times, resulting in a remainder of 188.
Write down 1 as next digit of the result. 
Result so far: 15151.0
If we subtract 512 from 700, we get 188.
Bring next digit (8) of the dividend behind the 188 and repeat the process: 1888 / 512

Advancing to step 8:
512 goes into 1888 3 times with a remainder of 352.
The number 3 becomes the next digit in our result. 
Result so far: 151513.0
Subtracting 1536 from 1888 leaves us with 352.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3520, and continue the process.

Moving on to step 9:
512 can be fit into 3520 6 times, resulting in a remainder of 448.
The next digit of our result is 6. 
Result so far: 151513.6
If we take 3072 away from 3520, we end up with 448.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4480, and continue the process.

Step 10:
4480 divided by 512 is 8 with a remainder of 384.
Write down 8 as next digit of the result. 
Result so far: 151513.68
Deduct 4096 from 4480 and we're left with 384.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3840, and continue the process.

Advancing to step 11:
512 can be fit into 3840 7 times, resulting in a remainder of 256.
Write down 7 as next digit of the result. 
Result so far: 151513.687
Deduct 3584 from 3840 and we're left with 256.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2560, and continue the process.

Going ahead to step 12:
512 goes into 2560 5 times with a remainder of 0.
Record the quotient 5 as the next digit in the result. 
Result so far: 151513.6875
Subtract 2560 from 2560 to 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.

Going ahead to step 13:
512 goes into 0 0 times with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 151513.6875
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.

Advancing to step 14:
512 can be fit into 0 0 times, resulting in a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 151513.6875
If we take 0 away from 0, we end up 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.

The final outcome is 151513.6875, with a leftover of 0.0.