79392653139 has 16 divisors (see below), whose sum is σ = 112153092480. Its totient is φ = 49784177280.

The previous prime is 79392653117. The next prime is 79392653149. The reversal of 79392653139 is 93135629397.

It is not a de Polignac number, because 79392653139 - 2⁵ = 79392653107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79392653149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398197 + ... + 563334.

It is an arithmetic number, because the mean of its divisors is an integer number (7009568280).

Almost surely, 2^79392653139 is an apocalyptic number.

79392653139 is a deficient number, since it is larger than the sum of its proper divisors (32760439341).

79392653139 is a wasteful number, since it uses less digits than its factorization.

79392653139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963170.

The product of its digits is 8266860, while the sum is 57.

The spelling of 79392653139 in words is "seventy-nine billion, three hundred ninety-two million, six hundred fifty-three thousand, one hundred thirty-nine".