879888978 has 12 divisors (see below), whose sum is σ = 1906426158. Its totient is φ = 293296320.

The previous prime is 879888953. The next prime is 879888983.

879888978 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 864183609 + 15705369 = 29397^2 + 3963^2 .

It is a super-2 number, since 2×879888978² = 1548409227211768968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24441343 + ... + 24441378.

Almost surely, 2^879888978 is an apocalyptic number.

879888978 is an abundant number, since it is smaller than the sum of its proper divisors (1026537180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

879888978 is a wasteful number, since it uses less digits than its factorization.

879888978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48882729 (or 48882726 counting only the distinct ones).

The product of its digits is 130056192, while the sum is 72.

The square root of 879888978 is about 29662.9226139300. The cubic root of 879888978 is about 958.2436702468.

The spelling of 879888978 in words is "eight hundred seventy-nine million, eight hundred eighty-eight thousand, nine hundred seventy-eight".