79713855 has 64 divisors (see below), whose sum is σ = 155675520. Its totient is φ = 38458368.

The previous prime is 79713841. The next prime is 79713889. The reversal of 79713855 is 55831797.

It is not a de Polignac number, because 79713855 - 2⁴ = 79713839 is a prime.

It is a super-2 number, since 2×79713855² = 12708597357922050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 79713855.

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 63 ways as a sum of consecutive naturals, for example, 92587 + ... + 93443.

It is an arithmetic number, because the mean of its divisors is an integer number (2432430).

Almost surely, 2^79713855 is an apocalyptic number.

79713855 is a deficient number, since it is larger than the sum of its proper divisors (75961665).

79713855 is a wasteful number, since it uses less digits than its factorization.

79713855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937 (or 931 counting only the distinct ones).

The product of its digits is 264600, while the sum is 45.

The square root of 79713855 is about 8928.2615889097. The cubic root of 79713855 is about 430.3725903477.

The spelling of 79713855 in words is "seventy-nine million, seven hundred thirteen thousand, eight hundred fifty-five".