878972 has 12 divisors (see below), whose sum is σ = 1580040. Its totient is φ = 427536.

The previous prime is 878957. The next prime is 878987. The reversal of 878972 is 279878.

It is an interprime number because it is at equal distance from previous prime (878957) and next prime (878987).

It is a congruent number.

It is an unprimeable number.

878972 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2822 + ... + 3117.

It is an arithmetic number, because the mean of its divisors is an integer number (131670).

2⁸⁷⁸⁹⁷² is an apocalyptic number.

It is an amenable number.

878972 is a deficient number, since it is larger than the sum of its proper divisors (701068).

878972 is a wasteful number, since it uses less digits than its factorization.

878972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5980 (or 5978 counting only the distinct ones).

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

The square root of 878972 is about 937.5350660109. The cubic root of 878972 is about 95.7910676045.

The spelling of 878972 in words is "eight hundred seventy-eight thousand, nine hundred seventy-two".