6864268868 has 12 divisors (see below), whose sum is σ = 12399969792. Its totient is φ = 3321420360.

The previous prime is 6864268849. The next prime is 6864268889. The reversal of 6864268868 is 8688624686.

It is a super-3 number, since 3×6864268868³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 6864268868.

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, 27678380 + ... + 27678627.

It is an arithmetic number, because the mean of its divisors is an integer number (1033330816).

Almost surely, 2^6864268868 is an apocalyptic number.

It is an amenable number.

6864268868 is a deficient number, since it is larger than the sum of its proper divisors (5535700924).

6864268868 is a wasteful number, since it uses less digits than its factorization.

6864268868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55357042 (or 55357040 counting only the distinct ones).

The product of its digits is 42467328, while the sum is 62.

The square root of 6864268868 is about 82850.8833266128. The cubic root of 6864268868 is about 1900.4863822206.

The spelling of 6864268868 in words is "six billion, eight hundred sixty-four million, two hundred sixty-eight thousand, eight hundred sixty-eight".