867873875 has 16 divisors (see below), whose sum is σ = 1181572704. Its totient is φ = 631180000.

The previous prime is 867873857. The next prime is 867873889. The reversal of 867873875 is 578378768.

It is a happy number.

It is not a de Polignac number, because 867873875 - 2²⁶ = 800765011 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314216 + ... + 316965.

It is an arithmetic number, because the mean of its divisors is an integer number (73848294).

Almost surely, 2^867873875 is an apocalyptic number.

867873875 is a deficient number, since it is larger than the sum of its proper divisors (313698829).

867873875 is a wasteful number, since it uses less digits than its factorization.

867873875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631207 (or 631197 counting only the distinct ones).

The product of its digits is 15805440, while the sum is 59.

The square root of 867873875 is about 29459.6991668279. The cubic root of 867873875 is about 953.8619796754.

The spelling of 867873875 in words is "eight hundred sixty-seven million, eight hundred seventy-three thousand, eight hundred seventy-five".