878915 has 4 divisors (see below), whose sum is σ = 1054704. Its totient is φ = 703128.

The previous prime is 878893. The next prime is 878929. The reversal of 878915 is 519878.

878915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 878915 - 2⁶ = 878851 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87887 + ... + 87896.

It is an arithmetic number, because the mean of its divisors is an integer number (263676).

2⁸⁷⁸⁹¹⁵ is an apocalyptic number.

878915 is a deficient number, since it is larger than the sum of its proper divisors (175789).

878915 is a wasteful number, since it uses less digits than its factorization.

878915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175788.

The product of its digits is 20160, while the sum is 38.

The square root of 878915 is about 937.5046666551. The cubic root of 878915 is about 95.7889969246.

The spelling of 878915 in words is "eight hundred seventy-eight thousand, nine hundred fifteen".