870507312 has 80 divisors (see below), whose sum is σ = 2353777920. Its totient is φ = 276702976.

The previous prime is 870507307. The next prime is 870507361. The reversal of 870507312 is 213705078.

870507312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428443 + ... + 430469.

It is an arithmetic number, because the mean of its divisors is an integer number (29422224).

Almost surely, 2^870507312 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 870507312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1176888960).

870507312 is an abundant number, since it is smaller than the sum of its proper divisors (1483270608).

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

870507312 is a wasteful number, since it uses less digits than its factorization.

870507312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450 (or 2444 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 870507312 is about 29504.3608980096. The cubic root of 870507312 is about 954.8257906145.

The spelling of 870507312 in words is "eight hundred seventy million, five hundred seven thousand, three hundred twelve".