868875 has 32 divisors (see below), whose sum is σ = 1657344. Its totient is φ = 396000.

The previous prime is 868873. The next prime is 868877. The reversal of 868875 is 578868.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (868873) and next prime (868877).

It is not a de Polignac number, because 868875 - 2¹ = 868873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (868873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2460 + ... + 2790.

It is an arithmetic number, because the mean of its divisors is an integer number (51792).

2⁸⁶⁸⁸⁷⁵ is an apocalyptic number.

868875 is a deficient number, since it is larger than the sum of its proper divisors (788469).

868875 is a wasteful number, since it uses less digits than its factorization.

868875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 346 counting only the distinct ones).

The product of its digits is 107520, while the sum is 42.

The square root of 868875 is about 932.1346469261. The cubic root of 868875 is about 95.4228610570.

The spelling of 868875 in words is "eight hundred sixty-eight thousand, eight hundred seventy-five".