768485416688 has 40 divisors (see below), whose sum is σ = 1624354308480. Its totient is φ = 349299599040.

The previous prime is 768485416651. The next prime is 768485416691. The reversal of 768485416688 is 886614584867.

It is a Cunningham number, because it is equal to 876633²-1.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6958283 + ... + 7067861.

It is an arithmetic number, because the mean of its divisors is an integer number (40608857712).

Almost surely, 2^768485416688 is an apocalyptic number.

It is an amenable number.

768485416688 is an abundant number, since it is smaller than the sum of its proper divisors (855868891792).

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

768485416688 is a wasteful number, since it uses less digits than its factorization.

768485416688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149445 (or 149439 counting only the distinct ones).

The product of its digits is 495452160, while the sum is 71.

The spelling of 768485416688 in words is "seven hundred sixty-eight billion, four hundred eighty-five million, four hundred sixteen thousand, six hundred eighty-eight".