779447242628 has 12 divisors (see below), whose sum is σ = 1364598445392. Its totient is φ = 389561972520.

The previous prime is 779447242597. The next prime is 779447242633. The reversal of 779447242628 is 826242744977.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40401350 + ... + 40420637.

It is an arithmetic number, because the mean of its divisors is an integer number (113716537116).

Almost surely, 2^779447242628 is an apocalyptic number.

It is an amenable number.

779447242628 is a deficient number, since it is larger than the sum of its proper divisors (585151202764).

779447242628 is a wasteful number, since it uses less digits than its factorization.

779447242628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80824402 (or 80824400 counting only the distinct ones).

The product of its digits is 75866112, while the sum is 62.

The spelling of 779447242628 in words is "seven hundred seventy-nine billion, four hundred forty-seven million, two hundred forty-two thousand, six hundred twenty-eight".