855875 has 16 divisors (see below), whose sum is σ = 1100736. Its totient is φ = 664000.

The previous prime is 855863. The next prime is 855887. The reversal of 855875 is 578558.

855875 = T₅₁ + T₅₂ + ... + T₁₇₃.

855875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (855863) and next prime (855887).

It is not a de Polignac number, because 855875 - 2⁸ = 855619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5042 + ... + 5208.

It is an arithmetic number, because the mean of its divisors is an integer number (68796).

2⁸⁵⁵⁸⁷⁵ is an apocalyptic number.

855875 is a deficient number, since it is larger than the sum of its proper divisors (244861).

855875 is a wasteful number, since it uses less digits than its factorization.

855875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 213 counting only the distinct ones).

The product of its digits is 56000, while the sum is 38.

The square root of 855875 is about 925.1351252655. The cubic root of 855875 is about 94.9445659976.

The spelling of 855875 in words is "eight hundred fifty-five thousand, eight hundred seventy-five".