872978 has 16 divisors (see below), whose sum is σ = 1378944. Its totient is φ = 414000.

The previous prime is 872959. The next prime is 872999. The reversal of 872978 is 879278.

It is a Curzon number.

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, 3353 + ... + 3603.

It is an arithmetic number, because the mean of its divisors is an integer number (86184).

2⁸⁷²⁹⁷⁸ is an apocalyptic number.

872978 is a deficient number, since it is larger than the sum of its proper divisors (505966).

872978 is a wasteful number, since it uses less digits than its factorization.

872978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337.

The product of its digits is 56448, while the sum is 41.

The square root of 872978 is about 934.3329171125. The cubic root of 872978 is about 95.5728271366.

The spelling of 872978 in words is "eight hundred seventy-two thousand, nine hundred seventy-eight".