8868131979 has 32 divisors (see below), whose sum is σ = 13588168704. Its totient is φ = 5039517600.

The previous prime is 8868131971. The next prime is 8868131983. The reversal of 8868131979 is 9791318688.

It is not a de Polignac number, because 8868131979 - 2³ = 8868131971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8868131971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4544454 + ... + 4546404.

It is an arithmetic number, because the mean of its divisors is an integer number (424630272).

Almost surely, 2^8868131979 is an apocalyptic number.

8868131979 is a deficient number, since it is larger than the sum of its proper divisors (4720036725).

8868131979 is a wasteful number, since it uses less digits than its factorization.

8868131979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047.

The product of its digits is 5225472, while the sum is 60.

The square root of 8868131979 is about 94170.7596815487. The cubic root of 8868131979 is about 2069.8746669664.

The spelling of 8868131979 in words is "eight billion, eight hundred sixty-eight million, one hundred thirty-one thousand, nine hundred seventy-nine".