879871178978 has 64 divisors (see below), whose sum is σ = 1531407306240. Its totient is φ = 375338880000.

The previous prime is 879871178929. The next prime is 879871179023.

879871178978 is nontrivially palindromic in base 10.

879871178978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×879871178978² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7026758 + ... + 7150878.

It is an arithmetic number, because the mean of its divisors is an integer number (23928239160).

Almost surely, 2^879871178978 is an apocalyptic number.

879871178978 is a deficient number, since it is larger than the sum of its proper divisors (651536127262).

879871178978 is a wasteful number, since it uses less digits than its factorization.

879871178978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124475.

The product of its digits is 796594176, while the sum is 80.

The spelling of 879871178978 in words is "eight hundred seventy-nine billion, eight hundred seventy-one million, one hundred seventy-eight thousand, nine hundred seventy-eight".