879885588978 has 96 divisors (see below), whose sum is σ = 2137192200000. Its totient is φ = 259273457280.

The previous prime is 879885588943. The next prime is 879885588997.

It is a happy number.

879885588978 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12764148 + ... + 12832896.

It is an arithmetic number, because the mean of its divisors is an integer number (22262418750).

Almost surely, 2^879885588978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 879885588978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1068596100000).

879885588978 is an abundant number, since it is smaller than the sum of its proper divisors (1257306611022).

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

879885588978 is a wasteful number, since it uses less digits than its factorization.

879885588978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70552 (or 70549 counting only the distinct ones).

The product of its digits is 26011238400, while the sum is 90.

The spelling of 879885588978 in words is "eight hundred seventy-nine billion, eight hundred eighty-five million, five hundred eighty-eight thousand, nine hundred seventy-eight".