879980 has 24 divisors (see below), whose sum is σ = 1929312. Its totient is φ = 336512.

The previous prime is 879979. The next prime is 880001. The reversal of 879980 is 89978.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497 + ... + 1416.

It is an arithmetic number, because the mean of its divisors is an integer number (80388).

2⁸⁷⁹⁹⁸⁰ is an apocalyptic number.

It is an amenable number.

879980 is an abundant number, since it is smaller than the sum of its proper divisors (1049332).

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

879980 is a wasteful number, since it uses less digits than its factorization.

879980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 879980 is about 938.0724918683. The cubic root of 879980 is about 95.8276711631.

The spelling of 879980 in words is "eight hundred seventy-nine thousand, nine hundred eighty".