870591604 has 12 divisors (see below), whose sum is σ = 1535532544. Its totient is φ = 431868024.

The previous prime is 870591599. The next prime is 870591637. The reversal of 870591604 is 406195078.

870591604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856374 + ... + 857389.

Almost surely, 2^870591604 is an apocalyptic number.

It is an amenable number.

870591604 is a deficient number, since it is larger than the sum of its proper divisors (664940940).

870591604 is a wasteful number, since it uses less digits than its factorization.

870591604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713894 (or 1713892 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 870591604 is about 29505.7893302314. The cubic root of 870591604 is about 954.8566084977.

The spelling of 870591604 in words is "eight hundred seventy million, five hundred ninety-one thousand, six hundred four".