768629926866 has 32 divisors (see below), whose sum is σ = 1541093748480. Its totient is φ = 255571670016.

The previous prime is 768629926849. The next prime is 768629926919. The reversal of 768629926866 is 668629926867.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4510420 + ... + 4677728.

It is an arithmetic number, because the mean of its divisors is an integer number (48159179640).

Almost surely, 2^768629926866 is an apocalyptic number.

768629926866 is an abundant number, since it is smaller than the sum of its proper divisors (772463821614).

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

768629926866 is a wasteful number, since it uses less digits than its factorization.

768629926866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169218.

The product of its digits is 1128701952, while the sum is 75.

Subtracting from 768629926866 its reverse (668629926867), we obtain a palindrome (99999999999).

The spelling of 768629926866 in words is "seven hundred sixty-eight billion, six hundred twenty-nine million, nine hundred twenty-six thousand, eight hundred sixty-six".