79051627881 has 12 divisors (see below), whose sum is σ = 115889949552. Its totient is φ = 51914501496.

The previous prime is 79051627873. The next prime is 79051627883. The reversal of 79051627881 is 18872615097.

79051627881 is a `hidden beast` number, since 7 + 9 + 0 + 5 + 1 + 627 + 8 + 8 + 1 = 666.

It is not a de Polignac number, because 79051627881 - 2³ = 79051627873 is a prime.

It is a super-2 number, since 2×79051627881² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79051627883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65548011 + ... + 65549216.

It is an arithmetic number, because the mean of its divisors is an integer number (9657495796).

Almost surely, 2^79051627881 is an apocalyptic number.

It is an amenable number.

79051627881 is a deficient number, since it is larger than the sum of its proper divisors (36838321671).

79051627881 is a wasteful number, since it uses less digits than its factorization.

79051627881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131097300 (or 131097297 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 54.

The spelling of 79051627881 in words is "seventy-nine billion, fifty-one million, six hundred twenty-seven thousand, eight hundred eighty-one".