7745616764 has 12 divisors (see below), whose sum is σ = 13777040088. Its totient is φ = 3809319600.

The previous prime is 7745616763. The next prime is 7745616787. The reversal of 7745616764 is 4676165477.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7745616761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15871922 + ... + 15872409.

It is an arithmetic number, because the mean of its divisors is an integer number (1148086674).

Almost surely, 2^7745616764 is an apocalyptic number.

It is an amenable number.

7745616764 is a deficient number, since it is larger than the sum of its proper divisors (6031423324).

7745616764 is a wasteful number, since it uses less digits than its factorization.

7745616764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31744396 (or 31744394 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 53.

The square root of 7745616764 is about 88009.1856796778. The cubic root of 7745616764 is about 1978.5726511920.

The spelling of 7745616764 in words is "seven billion, seven hundred forty-five million, six hundred sixteen thousand, seven hundred sixty-four".