78597734904 has 96 divisors (see below), whose sum is σ = 234121043520. Its totient is φ = 23669353728.

The previous prime is 78597734903. The next prime is 78597734927. The reversal of 78597734904 is 40943779587.

78597734904 is a `hidden beast` number, since 7 + 8 + 597 + 7 + 34 + 9 + 0 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78597734903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 849327 + ... + 937310.

It is an arithmetic number, because the mean of its divisors is an integer number (2438760870).

Almost surely, 2^78597734904 is an apocalyptic number.

It is an amenable number.

78597734904 is an abundant number, since it is smaller than the sum of its proper divisors (155523308616).

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

78597734904 is a wasteful number, since it uses less digits than its factorization.

78597734904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786709 (or 1786702 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 63.

The spelling of 78597734904 in words is "seventy-eight billion, five hundred ninety-seven million, seven hundred thirty-four thousand, nine hundred four".