864263670 has 32 divisors (see below), whose sum is σ = 2079054432. Its totient is φ = 229934592.

The previous prime is 864263669. The next prime is 864263681. The reversal of 864263670 is 76362468.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20277 + ... + 46256.

It is an arithmetic number, because the mean of its divisors is an integer number (64970451).

Almost surely, 2^864263670 is an apocalyptic number.

864263670 is an abundant number, since it is smaller than the sum of its proper divisors (1214790762).

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

864263670 is a wasteful number, since it uses less digits than its factorization.

864263670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66976.

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 864263670 is about 29398.3616890466. The cubic root of 864263670 is about 952.5375079091.

The spelling of 864263670 in words is "eight hundred sixty-four million, two hundred sixty-three thousand, six hundred seventy".