870875 has 8 divisors (see below), whose sum is σ = 1087008. Its totient is φ = 696600.

The previous prime is 870871. The next prime is 870889. The reversal of 870875 is 578078.

It is not a de Polignac number, because 870875 - 2² = 870871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3359 + ... + 3608.

It is an arithmetic number, because the mean of its divisors is an integer number (135876).

2⁸⁷⁰⁸⁷⁵ is an apocalyptic number.

870875 is a deficient number, since it is larger than the sum of its proper divisors (216133).

870875 is an equidigital number, since it uses as much as digits as its factorization.

870875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6982 (or 6972 counting only the distinct ones).

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

The square root of 870875 is about 933.2068366659. The cubic root of 870875 is about 95.4960205938.

The spelling of 870875 in words is "eight hundred seventy thousand, eight hundred seventy-five".