875649612 has 12 divisors (see below), whose sum is σ = 2043182456. Its totient is φ = 291883200.

The previous prime is 875649581. The next prime is 875649613. The reversal of 875649612 is 216946578.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (875649613) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 36485389 + ... + 36485412.

Almost surely, 2^875649612 is an apocalyptic number.

It is an amenable number.

875649612 is an abundant number, since it is smaller than the sum of its proper divisors (1167532844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

875649612 is a wasteful number, since it uses less digits than its factorization.

875649612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72970808 (or 72970806 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 875649612 is about 29591.3773251601. The cubic root of 875649612 is about 956.7022305586.

The spelling of 875649612 in words is "eight hundred seventy-five million, six hundred forty-nine thousand, six hundred twelve".