870312385 has 8 divisors (see below), whose sum is σ = 1099342080. Its totient is φ = 659605104.

The previous prime is 870312337. The next prime is 870312397. The reversal of 870312385 is 583213078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 870312385 - 2²⁹ = 333441473 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4580497 + ... + 4580686.

It is an arithmetic number, because the mean of its divisors is an integer number (137417760).

Almost surely, 2^870312385 is an apocalyptic number.

It is an amenable number.

870312385 is a deficient number, since it is larger than the sum of its proper divisors (229029695).

870312385 is a wasteful number, since it uses less digits than its factorization.

870312385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9161207.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 870312385 is about 29501.0573539322. The cubic root of 870312385 is about 954.7545159994.

The spelling of 870312385 in words is "eight hundred seventy million, three hundred twelve thousand, three hundred eighty-five".