768808771980 has 24 divisors (see below), whose sum is σ = 2152664561712. Its totient is φ = 205015672512.

The previous prime is 768808771967. The next prime is 768808772033. The reversal of 768808771980 is 89177808867.

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, 6406739707 + ... + 6406739826.

It is an arithmetic number, because the mean of its divisors is an integer number (89694356738).

Almost surely, 2^768808771980 is an apocalyptic number.

It is an amenable number.

768808771980 is an abundant number, since it is smaller than the sum of its proper divisors (1383855789732).

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

768808771980 is a wasteful number, since it uses less digits than its factorization.

768808771980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12813479545 (or 12813479543 counting only the distinct ones).

The product of its (nonzero) digits is 75866112, while the sum is 69.

The spelling of 768808771980 in words is "seven hundred sixty-eight billion, eight hundred eight million, seven hundred seventy-one thousand, nine hundred eighty".