870318387 has 12 divisors (see below), whose sum is σ = 1265565600. Its totient is φ = 576317328.

The previous prime is 870318359. The next prime is 870318433. The reversal of 870318387 is 783813078.

It is not a de Polignac number, because 870318387 - 2⁷ = 870318259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (870318487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323163 + ... + 325844.

It is an arithmetic number, because the mean of its divisors is an integer number (105463800).

Almost surely, 2^870318387 is an apocalyptic number.

870318387 is a deficient number, since it is larger than the sum of its proper divisors (395247213).

870318387 is a wasteful number, since it uses less digits than its factorization.

870318387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649162 (or 649159 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 870318387 is about 29501.1590789243. The cubic root of 870318387 is about 954.7567107759.

The spelling of 870318387 in words is "eight hundred seventy million, three hundred eighteen thousand, three hundred eighty-seven".