870080085 has 24 divisors (see below), whose sum is σ = 1723587840. Its totient is φ = 397750752.

The previous prime is 870080047. The next prime is 870080117. The reversal of 870080085 is 580080078.

It is not a de Polignac number, because 870080085 - 2¹² = 870075989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1380765 + ... + 1381394.

It is an arithmetic number, because the mean of its divisors is an integer number (71816160).

Almost surely, 2^870080085 is an apocalyptic number.

It is an amenable number.

870080085 is a deficient number, since it is larger than the sum of its proper divisors (853507755).

870080085 is a wasteful number, since it uses less digits than its factorization.

870080085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762177 (or 2762174 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 870080085 is about 29497.1199441573. The cubic root of 870080085 is about 954.6695621315.

The spelling of 870080085 in words is "eight hundred seventy million, eighty thousand, eighty-five".