870912036 has 36 divisors (see below), whose sum is σ = 2206228752. Its totient is φ = 289676784.

The previous prime is 870912017. The next prime is 870912041. The reversal of 870912036 is 630219078.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9090 + ... + 42713.

It is an arithmetic number, because the mean of its divisors is an integer number (61284132).

Almost surely, 2^870912036 is an apocalyptic number.

It is an amenable number.

870912036 is an abundant number, since it is smaller than the sum of its proper divisors (1335316716).

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

870912036 is a wasteful number, since it uses less digits than its factorization.

870912036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52280 (or 52275 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 870912036 is about 29511.2188159012. The cubic root of 870912036 is about 954.9737430534.

The spelling of 870912036 in words is "eight hundred seventy million, nine hundred twelve thousand, thirty-six".