779709491788 has 12 divisors (see below), whose sum is σ = 1383709802832. Its totient is φ = 384363833840.

The previous prime is 779709491779. The next prime is 779709491849. The reversal of 779709491788 is 887194907977.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1372727695 + ... + 1372728262.

It is an arithmetic number, because the mean of its divisors is an integer number (115309150236).

Almost surely, 2^779709491788 is an apocalyptic number.

It is an amenable number.

779709491788 is a deficient number, since it is larger than the sum of its proper divisors (604000311044).

779709491788 is a wasteful number, since it uses less digits than its factorization.

779709491788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745456032 (or 2745456030 counting only the distinct ones).

The product of its (nonzero) digits is 448084224, while the sum is 76.

The spelling of 779709491788 in words is "seven hundred seventy-nine billion, seven hundred nine million, four hundred ninety-one thousand, seven hundred eighty-eight".