79092815823 has 64 divisors (see below), whose sum is σ = 134912727040. Its totient is φ = 44859744000.

The previous prime is 79092815821. The next prime is 79092815849. The reversal of 79092815823 is 32851829097.

It is not a de Polignac number, because 79092815823 - 2¹ = 79092815821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79092815823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79092815821) 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, 20557686 + ... + 20561532.

It is an arithmetic number, because the mean of its divisors is an integer number (2108011360).

Almost surely, 2^79092815823 is an apocalyptic number.

79092815823 is a deficient number, since it is larger than the sum of its proper divisors (55819911217).

79092815823 is a wasteful number, since it uses less digits than its factorization.

79092815823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645 (or 4639 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 79092815823 in words is "seventy-nine billion, ninety-two million, eight hundred fifteen thousand, eight hundred twenty-three".