878087 has 4 divisors (see below), whose sum is σ = 1003536. Its totient is φ = 752640.

The previous prime is 878083. The next prime is 878089. The reversal of 878087 is 780878.

878087 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 not a de Polignac number, because 878087 - 2² = 878083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 878087.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 878087.

It is not an unprimeable number, because it can be changed into a prime (878083) 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, 62714 + ... + 62727.

It is an arithmetic number, because the mean of its divisors is an integer number (250884).

2⁸⁷⁸⁰⁸⁷ is an apocalyptic number.

878087 is a deficient number, since it is larger than the sum of its proper divisors (125449).

878087 is a wasteful number, since it uses less digits than its factorization.

878087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125448.

The product of its (nonzero) digits is 25088, while the sum is 38.

The square root of 878087 is about 937.0629648001. The cubic root of 878087 is about 95.7589074739.

It can be divided in two parts, 87808 and 7, that multiplied together give a 4-th power (614656 = 28⁴).

The spelling of 878087 in words is "eight hundred seventy-eight thousand, eighty-seven".