870879320 has 16 divisors (see below), whose sum is σ = 1959478560. Its totient is φ = 348351712.

The previous prime is 870879293. The next prime is 870879377. The reversal of 870879320 is 23978078.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 10885952 + ... + 10886031.

It is an arithmetic number, because the mean of its divisors is an integer number (122467410).

Almost surely, 2^870879320 is an apocalyptic number.

It is an amenable number.

870879320 is an abundant number, since it is smaller than the sum of its proper divisors (1088599240).

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

870879320 is a wasteful number, since it uses less digits than its factorization.

870879320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21771994 (or 21771990 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 870879320 is about 29510.6645130197. The cubic root of 870879320 is about 954.9617849716.

The spelling of 870879320 in words is "eight hundred seventy million, eight hundred seventy-nine thousand, three hundred twenty".