6399560796 has 48 divisors (see below), whose sum is σ = 15259539456. Its totient is φ = 2086496704.

The previous prime is 6399560771. The next prime is 6399560831. The reversal of 6399560796 is 6970659936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1377790 + ... + 1382426.

It is an arithmetic number, because the mean of its divisors is an integer number (317907072).

Almost surely, 2^6399560796 is an apocalyptic number.

It is an amenable number.

6399560796 is an abundant number, since it is smaller than the sum of its proper divisors (8859978660).

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

6399560796 is a wasteful number, since it uses less digits than its factorization.

6399560796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7138 (or 7136 counting only the distinct ones).

The product of its (nonzero) digits is 16533720, while the sum is 60.

The square root of 6399560796 is about 79997.2549279036. The cubic root of 6399560796 is about 1856.5930615489.

The spelling of 6399560796 in words is "six billion, three hundred ninety-nine million, five hundred sixty thousand, seven hundred ninety-six".