878750 has 40 divisors (see below), whose sum is σ = 1780680. Its totient is φ = 324000.

The previous prime is 878749. The next prime is 878777. The reversal of 878750 is 57878.

It is a nialpdrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 878750.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23732 + ... + 23768.

It is an arithmetic number, because the mean of its divisors is an integer number (44517).

2⁸⁷⁸⁷⁵⁰ is an apocalyptic number.

878750 is an abundant number, since it is smaller than the sum of its proper divisors (901930).

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

878750 is a wasteful number, since it uses less digits than its factorization.

878750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 878750 is about 937.4166629626. The cubic root of 878750 is about 95.7830023466.

The spelling of 878750 in words is "eight hundred seventy-eight thousand, seven hundred fifty".