79345138445 has 64 divisors (see below), whose sum is σ = 108092620800. Its totient is φ = 55620756480.

The previous prime is 79345138441. The next prime is 79345138447. The reversal of 79345138445 is 54483154397.

It is not a de Polignac number, because 79345138445 - 2² = 79345138441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79345138441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7301426 + ... + 7312284.

It is an arithmetic number, because the mean of its divisors is an integer number (1688947200).

Almost surely, 2^79345138445 is an apocalyptic number.

It is an amenable number.

79345138445 is a deficient number, since it is larger than the sum of its proper divisors (28747482355).

79345138445 is a wasteful number, since it uses less digits than its factorization.

79345138445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11018.

The product of its digits is 7257600, while the sum is 53.

The spelling of 79345138445 in words is "seventy-nine billion, three hundred forty-five million, one hundred thirty-eight thousand, four hundred forty-five".