870616984 has 8 divisors (see below), whose sum is σ = 1632406860. Its totient is φ = 435308488.

The previous prime is 870616973. The next prime is 870617023. The reversal of 870616984 is 489616078.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54413554 + ... + 54413569.

Almost surely, 2^870616984 is an apocalyptic number.

It is an amenable number.

870616984 is a deficient number, since it is larger than the sum of its proper divisors (761789876).

870616984 is a wasteful number, since it uses less digits than its factorization.

870616984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108827129 (or 108827125 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 870616984 is about 29506.2194121850. The cubic root of 870616984 is about 954.8658872552.

The spelling of 870616984 in words is "eight hundred seventy million, six hundred sixteen thousand, nine hundred eighty-four".