768456654868 has 24 divisors (see below), whose sum is σ = 1537701984000. Its totient is φ = 329169564768.

The previous prime is 768456654821. The next prime is 768456654899. The reversal of 768456654868 is 868456654867.

It is a self number, because there is not a number n which added to its sum of digits gives 768456654868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6986188 + ... + 7095331.

It is an arithmetic number, because the mean of its divisors is an integer number (64070916000).

Almost surely, 2^768456654868 is an apocalyptic number.

It is an amenable number.

768456654868 is an abundant number, since it is smaller than the sum of its proper divisors (769245329132).

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

768456654868 is a wasteful number, since it uses less digits than its factorization.

768456654868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14083479 (or 14083477 counting only the distinct ones).

The product of its digits is 1857945600, while the sum is 73.

Subtracting 768456654868 from its reverse (868456654867), we obtain a palindrome (99999999999).

The spelling of 768456654868 in words is "seven hundred sixty-eight billion, four hundred fifty-six million, six hundred fifty-four thousand, eight hundred sixty-eight".