79297288871 has 4 divisors (see below), whose sum is σ = 81141411912. Its totient is φ = 77453165832.

The previous prime is 79297288849. The next prime is 79297288883. The reversal of 79297288871 is 17888279297.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79297288871 - 2¹⁴ = 79297272487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79297281871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922061456 + ... + 922061541.

It is an arithmetic number, because the mean of its divisors is an integer number (20285352978).

Almost surely, 2^79297288871 is an apocalyptic number.

79297288871 is a deficient number, since it is larger than the sum of its proper divisors (1844123041).

79297288871 is a wasteful number, since it uses less digits than its factorization.

79297288871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844123040.

The product of its digits is 56899584, while the sum is 68.

The spelling of 79297288871 in words is "seventy-nine billion, two hundred ninety-seven million, two hundred eighty-eight thousand, eight hundred seventy-one".