870525900 has 72 divisors (see below), whose sum is σ = 2798588240. Its totient is φ = 232139520.

The previous prime is 870525893. The next prime is 870525913. The reversal of 870525900 is 9525078.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 158509 + ... + 163908.

Almost surely, 2^870525900 is an apocalyptic number.

It is an amenable number.

870525900 is an abundant number, since it is smaller than the sum of its proper divisors (1928062340).

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

870525900 is a wasteful number, since it uses less digits than its factorization.

870525900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322440 (or 322427 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 870525900 is about 29504.6759006094. The cubic root of 870525900 is about 954.8325867188.

The spelling of 870525900 in words is "eight hundred seventy million, five hundred twenty-five thousand, nine hundred".