77207691 divided by 18 
We want to figure out the number of times 77207691 can be divided by 18.

Advancing to step 1:
7 divided by 18 is 0 with a remainder of 7.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 7 and we're left with 7.
Bring next digit (7) of the dividend behind the 7 and repeat the process: 77 / 18

Going ahead to step 2:
When dividing 77 by 18, we get 4 with a remainder of 5.
Use 4 as the next digit of our solution. 
Result so far: 4.0
Subtracting 72 from 77 leaves us with 5.
Take the next digit (2) from the dividend and append it to 5, then repeat: 52 / 18

Advancing to step 3:
18 can be fit into 52 2 times, resulting in a remainder of 16.
Record the quotient 2 as the next digit in the result. 
Result so far: 42.0
Subtract 36 from 52 to get 16.
Append the next digit (0) from the dividend to 16 and continue with: 160 / 18

On to step 4:
When dividing 160 by 18, we get 8 with a remainder of 16.
Put 8 as the next digit of the answer. 
Result so far: 428.0
The remainder is 16 after subtracting 144 from 160.
Take the next digit (7) from the dividend and append it to 16, then repeat: 167 / 18

Going ahead to step 5:
18 can be fit into 167 9 times, resulting in a remainder of 5.
The next digit of our result is 9. 
Result so far: 4289.0
If we take 162 away from 167, we end up with 5.
Bring next digit (6) of the dividend behind the 5 and repeat the process: 56 / 18

On to step 6:
If we divide 56 by 18, we get 3 and a remainder of 2.
The next digit of our result is 3. 
Result so far: 42893.0
Subtracting 54 from 56 leaves us with 2.
Append the next digit (9) from the dividend to 2 and continue with: 29 / 18

Going ahead to step 7:
29 divided by 18 is 1 with a remainder of 11.
Write down 1 as next digit of the result. 
Result so far: 428931.0
Deduct 18 from 29 and we're left with 11.
Take the next digit (1) from the dividend and append it to 11, then repeat: 111 / 18

Advancing to step 8:
When dividing 111 by 18, we get 6 with a remainder of 3.
The next digit of our result is 6. 
Result so far: 4289316.0
Subtracting 108 from 111 leaves us with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Step 9:
When dividing 30 by 18, we get 1 with a remainder of 12.
The number 1 becomes the next digit in our result. 
Result so far: 4289316.1
Subtract 18 from 30 to get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Let's proceed to step 10:
120 divided by 18 is 6 with a remainder of 12.
The number 6 becomes the next digit in our result. 
Result so far: 4289316.16
If we subtract 108 from 120, we get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Let's proceed to step 11:
18 goes into 120 6 times with a remainder of 12.
The number 6 becomes the next digit in our result. 
Result so far: 4289316.166
Subtract 108 from 120 to get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Our division results in 4289316.166 with a remaining 0.0012.