875971985 has 16 divisors (see below), whose sum is σ = 1203745536. Its totient is φ = 599460288.

The previous prime is 875971961. The next prime is 875972021. The reversal of 875971985 is 589179578.

It is not a de Polignac number, because 875971985 - 2¹² = 875967889 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7274 + ... + 42483.

It is an arithmetic number, because the mean of its divisors is an integer number (75234096).

Almost surely, 2^875971985 is an apocalyptic number.

It is an amenable number.

875971985 is a deficient number, since it is larger than the sum of its proper divisors (327773551).

875971985 is a wasteful number, since it uses less digits than its factorization.

875971985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50272.

The product of its digits is 6350400, while the sum is 59.

The square root of 875971985 is about 29596.8239005472. The cubic root of 875971985 is about 956.8196204078.

The spelling of 875971985 in words is "eight hundred seventy-five million, nine hundred seventy-one thousand, nine hundred eighty-five".