79456920 has 32 divisors (see below), whose sum is σ = 238371120. Its totient is φ = 21188480.

The previous prime is 79456913. The next prime is 79456943. The reversal of 79456920 is 2965497.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330951 + ... + 331190.

Almost surely, 2^79456920 is an apocalyptic number.

It is an amenable number.

79456920 is an abundant number, since it is smaller than the sum of its proper divisors (158914200).

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

79456920 is a wasteful number, since it uses less digits than its factorization.

79456920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662155 (or 662151 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 79456920 is about 8913.8611162616. The cubic root of 79456920 is about 429.9096980016.

The spelling of 79456920 in words is "seventy-nine million, four hundred fifty-six thousand, nine hundred twenty".