79927972294 has 16 divisors (see below), whose sum is σ = 121354248960. Its totient is φ = 39476697480.

The previous prime is 79927972291. The next prime is 79927972301. The reversal of 79927972294 is 49227972997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79927972291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1236559 + ... + 1299589.

It is an arithmetic number, because the mean of its divisors is an integer number (7584640560).

Almost surely, 2^79927972294 is an apocalyptic number.

79927972294 is a deficient number, since it is larger than the sum of its proper divisors (41426276666).

79927972294 is a wasteful number, since it uses less digits than its factorization.

79927972294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70755.

The product of its digits is 72013536, while the sum is 67.

The spelling of 79927972294 in words is "seventy-nine billion, nine hundred twenty-seven million, nine hundred seventy-two thousand, two hundred ninety-four".