878988 has 24 divisors (see below), whose sum is σ = 2237760. Its totient is φ = 266320.

The previous prime is 878987. The next prime is 878989. The reversal of 878988 is 889878.

It is a happy number.

878988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (878987) and next prime (878989).

It is not an unprimeable number, because it can be changed into a prime (878987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3198 + ... + 3461.

It is an arithmetic number, because the mean of its divisors is an integer number (93240).

2⁸⁷⁸⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

878988 is an abundant number, since it is smaller than the sum of its proper divisors (1358772).

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

878988 is a wasteful number, since it uses less digits than its factorization.

878988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6677 (or 6675 counting only the distinct ones).

The product of its digits is 258048, while the sum is 48.

The square root of 878988 is about 937.5435989862. The cubic root of 878988 is about 95.7916488319.

The spelling of 878988 in words is "eight hundred seventy-eight thousand, nine hundred eighty-eight".