870027165 has 96 divisors (see below), whose sum is σ = 1766209536. Its totient is φ = 388010880.

The previous prime is 870027149. The next prime is 870027181. The reversal of 870027165 is 561720078.

It is an interprime number because it is at equal distance from previous prime (870027149) and next prime (870027181).

It is not a de Polignac number, because 870027165 - 2⁴ = 870027149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2797360 + ... + 2797670.

It is an arithmetic number, because the mean of its divisors is an integer number (18398016).

Almost surely, 2^870027165 is an apocalyptic number.

It is an amenable number.

870027165 is an abundant number, since it is smaller than the sum of its proper divisors (896182371).

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

870027165 is a wasteful number, since it uses less digits than its factorization.

870027165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 870027165 is about 29496.2228937876. Note that the first 3 decimals coincide. The cubic root of 870027165 is about 954.6502067724.

The spelling of 870027165 in words is "eight hundred seventy million, twenty-seven thousand, one hundred sixty-five".