6864938670 has 64 divisors (see below), whose sum is σ = 16747121664. Its totient is φ = 1800748800.

The previous prime is 6864938669. The next prime is 6864938681. The reversal of 6864938670 is 768394686.

It is a happy number.

It is a super-2 number, since 2×6864938670² = 94254765885722737800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6864938670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 459234 + ... + 473946.

It is an arithmetic number, because the mean of its divisors is an integer number (261673776).

Almost surely, 2^6864938670 is an apocalyptic number.

6864938670 is an abundant number, since it is smaller than the sum of its proper divisors (9882182994).

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

6864938670 is a wasteful number, since it uses less digits than its factorization.

6864938670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14977.

The product of its (nonzero) digits is 10450944, while the sum is 57.

The square root of 6864938670 is about 82854.9254420037. The cubic root of 6864938670 is about 1900.5481954646.

The spelling of 6864938670 in words is "six billion, eight hundred sixty-four million, nine hundred thirty-eight thousand, six hundred seventy".