79013386305 has 80 divisors (see below), whose sum is σ = 162291317760. Its totient is φ = 36027047808.

The previous prime is 79013386271. The next prime is 79013386327. The reversal of 79013386305 is 50368331097.

79013386305 is a `hidden beast` number, since 7 + 9 + 0 + 1 + 3 + 3 + 8 + 630 + 5 = 666.

It is not a de Polignac number, because 79013386305 - 2⁹ = 79013385793 is a prime.

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

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 79 ways as a sum of consecutive naturals, for example, 1066992 + ... + 1138638.

It is an arithmetic number, because the mean of its divisors is an integer number (2028641472).

Almost surely, 2^79013386305 is an apocalyptic number.

It is an amenable number.

79013386305 is an abundant number, since it is smaller than the sum of its proper divisors (83277931455).

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

79013386305 is a wasteful number, since it uses less digits than its factorization.

79013386305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72060 (or 72051 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 79013386305 in words is "seventy-nine billion, thirteen million, three hundred eighty-six thousand, three hundred five".