855517875 has 16 divisors (see below), whose sum is σ = 1423582368. Its totient is φ = 456276000.

The previous prime is 855517853. The next prime is 855517903. The reversal of 855517875 is 578715558.

It is not a de Polignac number, because 855517875 - 2⁹ = 855517363 is a prime.

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, 1140316 + ... + 1141065.

It is an arithmetic number, because the mean of its divisors is an integer number (88973898).

Almost surely, 2^855517875 is an apocalyptic number.

855517875 is a deficient number, since it is larger than the sum of its proper divisors (568064493).

855517875 is a wasteful number, since it uses less digits than its factorization.

855517875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281399 (or 2281389 counting only the distinct ones).

The product of its digits is 1960000, while the sum is 51.

The square root of 855517875 is about 29249.2371695400. The cubic root of 855517875 is about 949.3135854121.

The spelling of 855517875 in words is "eight hundred fifty-five million, five hundred seventeen thousand, eight hundred seventy-five".