878860 has 12 divisors (see below), whose sum is σ = 1845648. Its totient is φ = 351536.

The previous prime is 878851. The next prime is 878863. The reversal of 878860 is 68878.

It is not an unprimeable number, because it can be changed into a prime (878863) by changing a digit.

878860 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, 21952 + ... + 21991.

It is an arithmetic number, because the mean of its divisors is an integer number (153804).

2⁸⁷⁸⁸⁶⁰ is an apocalyptic number.

It is an amenable number.

878860 is an abundant number, since it is smaller than the sum of its proper divisors (966788).

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

878860 is a wasteful number, since it uses less digits than its factorization.

878860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43952 (or 43950 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 878860 is about 937.4753330088. The cubic root of 878860 is about 95.7869988153.

The spelling of 878860 in words is "eight hundred seventy-eight thousand, eight hundred sixty".