79212965 has 16 divisors (see below), whose sum is σ = 102816000. Its totient is φ = 58239552.

The previous prime is 79212941. The next prime is 79212977. The reversal of 79212965 is 56921297.

It is a cyclic number.

It is not a de Polignac number, because 79212965 - 2¹⁶ = 79147429 is a prime.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 12986 + ... + 18084.

It is an arithmetic number, because the mean of its divisors is an integer number (6426000).

Almost surely, 2^79212965 is an apocalyptic number.

It is an amenable number.

79212965 is a deficient number, since it is larger than the sum of its proper divisors (23603035).

79212965 is a wasteful number, since it uses less digits than its factorization.

79212965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356.

The product of its digits is 68040, while the sum is 41.

The square root of 79212965 is about 8900.1665714749. The cubic root of 79212965 is about 429.4692658806.

The spelling of 79212965 in words is "seventy-nine million, two hundred twelve thousand, nine hundred sixty-five".