7900931904 has 56 divisors (see below), whose sum is σ = 20911157568. Its totient is φ = 2632811520.

The previous prime is 7900931897. The next prime is 7900931921. The reversal of 7900931904 is 4091390097.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1038964 + ... + 1046540.

It is an arithmetic number, because the mean of its divisors is an integer number (373413528).

Almost surely, 2^7900931904 is an apocalyptic number.

It is an amenable number.

7900931904 is an abundant number, since it is smaller than the sum of its proper divisors (13010225664).

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

7900931904 is a wasteful number, since it uses less digits than its factorization.

7900931904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13023 (or 13013 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 7900931904 is about 88887.1863881403. The cubic root of 7900931904 is about 1991.7100108500.

The spelling of 7900931904 in words is "seven billion, nine hundred million, nine hundred thirty-one thousand, nine hundred four".