870131808 has 720 divisors, whose sum is σ = 3503896704. Its totient is φ = 209018880.

The previous prime is 870131797. The next prime is 870131813. The reversal of 870131808 is 808131078.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 28068753 + ... + 28068783.

Almost surely, 2^870131808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870131808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1751948352).

870131808 is an abundant number, since it is smaller than the sum of its proper divisors (2633764896).

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

870131808 is a wasteful number, since it uses less digits than its factorization.

870131808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 870131808 is about 29497.9966777407. The cubic root of 870131808 is about 954.6884789325.

The spelling of 870131808 in words is "eight hundred seventy million, one hundred thirty-one thousand, eight hundred eight".