Which of the following numbers divides 774359327?

The correct option is 7.

To determine which of the given numbers (7, 12, 2, 16) divides 774359327, we can use simple divisibility rules and mathematical verification.

Step 1: Eliminate even numbers (2, 12, 16)
A number is divisible by 2, 12, or 16 only if it is an even number (meaning its last digit is 0, 2, 4, 6, or 8).
The last digit of 774359327 is 7, which is odd.
Since 774359327 is odd, it cannot be divided evenly by 2, 12, or 16.

Step 2: Verify divisibility by 7
Let's divide 774359327 by 7:

$774359327÷7=110622761$

Since the remainder is 0, 774359327 is exactly divisible by 7.

Thus, among the given options, 7 is the correct choice.