878903 has 4 divisors (see below), whose sum is σ = 909240. Its totient is φ = 848568.

The previous prime is 878893. The next prime is 878929. The reversal of 878903 is 309878.

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 878903 - 2¹⁰ = 877879 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15125 + ... + 15182.

It is an arithmetic number, because the mean of its divisors is an integer number (227310).

2⁸⁷⁸⁹⁰³ is an apocalyptic number.

878903 is a deficient number, since it is larger than the sum of its proper divisors (30337).

878903 is a wasteful number, since it uses less digits than its factorization.

878903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30336.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 878903 is about 937.4982666651. The cubic root of 878903 is about 95.7885609806.

The spelling of 878903 in words is "eight hundred seventy-eight thousand, nine hundred three".