6864888144 has 20 divisors (see below), whose sum is σ = 17734294496. Its totient is φ = 2288296032.

The previous prime is 6864888143. The next prime is 6864888169. The reversal of 6864888144 is 4418884686.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6864888143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71509204 + ... + 71509299.

Almost surely, 2^6864888144 is an apocalyptic number.

It is an amenable number.

6864888144 is an abundant number, since it is smaller than the sum of its proper divisors (10869406352).

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

6864888144 is a wasteful number, since it uses less digits than its factorization.

6864888144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143018514 (or 143018508 counting only the distinct ones).

The product of its digits is 9437184, while the sum is 57.

The square root of 6864888144 is about 82854.6205350070. The cubic root of 6864888144 is about 1900.5435327701.

The spelling of 6864888144 in words is "six billion, eight hundred sixty-four million, eight hundred eighty-eight thousand, one hundred forty-four".