870807252 has 48 divisors (see below), whose sum is σ = 2458753920. Its totient is φ = 234166272.

The previous prime is 870807229. The next prime is 870807253. The reversal of 870807252 is 252708078.

It is a self number, because there is not a number n which added to its sum of digits gives 870807252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870807253) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 303477 + ... + 306332.

It is an arithmetic number, because the mean of its divisors is an integer number (51224040).

Almost surely, 2^870807252 is an apocalyptic number.

It is an amenable number.

870807252 is an abundant number, since it is smaller than the sum of its proper divisors (1587946668).

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

870807252 is a wasteful number, since it uses less digits than its factorization.

870807252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609840 (or 609838 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 870807252 is about 29509.4434376523. The cubic root of 870807252 is about 954.9354422155.

The spelling of 870807252 in words is "eight hundred seventy million, eight hundred seven thousand, two hundred fifty-two".