78794926504 has 32 divisors (see below), whose sum is σ = 168856574400. Its totient is φ = 33767193600.

The previous prime is 78794926501. The next prime is 78794926523. The reversal of 78794926504 is 40562949787.

It is not an unprimeable number, because it can be changed into a prime (78794926501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202952 + ... + 1266760.

It is an arithmetic number, because the mean of its divisors is an integer number (5276767950).

Almost surely, 2^78794926504 is an apocalyptic number.

It is an amenable number.

78794926504 is an abundant number, since it is smaller than the sum of its proper divisors (90061647896).

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

78794926504 is a wasteful number, since it uses less digits than its factorization.

78794926504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85873 (or 85869 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 78794926504 in words is "seventy-eight billion, seven hundred ninety-four million, nine hundred twenty-six thousand, five hundred four".