878588 has 6 divisors (see below), whose sum is σ = 1537536. Its totient is φ = 439292.

The previous prime is 878573. The next prime is 878593. The reversal of 878588 is 885878.

It is a congruent number.

It is an unprimeable number.

878588 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 as a sum of consecutive naturals, namely, 109820 + ... + 109827.

It is an arithmetic number, because the mean of its divisors is an integer number (256256).

2⁸⁷⁸⁵⁸⁸ is an apocalyptic number.

It is an amenable number.

878588 is a deficient number, since it is larger than the sum of its proper divisors (658948).

878588 is a wasteful number, since it uses less digits than its factorization.

878588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219651 (or 219649 counting only the distinct ones).

The product of its digits is 143360, while the sum is 44.

The square root of 878588 is about 937.3302512989. The cubic root of 878588 is about 95.7771160308. Note that the first 3 decimals are identical.

The spelling of 878588 in words is "eight hundred seventy-eight thousand, five hundred eighty-eight".