870710840 has 32 divisors (see below), whose sum is σ = 1960984080. Its totient is φ = 347949312.

The previous prime is 870710837. The next prime is 870710917. The reversal of 870710840 is 48017078.

It is a self number, because there is not a number n which added to its sum of digits gives 870710840.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33959 + ... + 53801.

Almost surely, 2^870710840 is an apocalyptic number.

It is an amenable number.

870710840 is an abundant number, since it is smaller than the sum of its proper divisors (1090273240).

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

870710840 is a wasteful number, since it uses less digits than its factorization.

870710840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20951 (or 20947 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 870710840 is about 29507.8098136748. The cubic root of 870710840 is about 954.9001988121.

The spelling of 870710840 in words is "eight hundred seventy million, seven hundred ten thousand, eight hundred forty".