7716390768 has 60 divisors (see below), whose sum is σ = 21601444800. Its totient is φ = 2571383808.

The previous prime is 7716390677. The next prime is 7716390821. The reversal of 7716390768 is 8670936177.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 736833 + ... + 747231.

It is an arithmetic number, because the mean of its divisors is an integer number (360024080).

Almost surely, 2^7716390768 is an apocalyptic number.

It is an amenable number.

7716390768 is an abundant number, since it is smaller than the sum of its proper divisors (13885054032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7716390768 is a wasteful number, since it uses less digits than its factorization.

7716390768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15566 (or 15557 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The square root of 7716390768 is about 87842.9892933978. The cubic root of 7716390768 is about 1976.0809779028.

The spelling of 7716390768 in words is "seven billion, seven hundred sixteen million, three hundred ninety thousand, seven hundred sixty-eight".