79064112805 has 24 divisors (see below), whose sum is σ = 106090800480. Its totient is φ = 56397415680.

The previous prime is 79064112791. The next prime is 79064112821. The reversal of 79064112805 is 50821146097.

It is not a de Polignac number, because 79064112805 - 2²¹ = 79062015653 is a prime.

It is a super-2 number, since 2×79064112805² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1412431 + ... + 1467340.

It is an arithmetic number, because the mean of its divisors is an integer number (4420450020).

Almost surely, 2^79064112805 is an apocalyptic number.

It is an amenable number.

79064112805 is a deficient number, since it is larger than the sum of its proper divisors (27026687675).

79064112805 is a wasteful number, since it uses less digits than its factorization.

79064112805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2879829 (or 2879812 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 79064112805 in words is "seventy-nine billion, sixty-four million, one hundred twelve thousand, eight hundred five".