779220893122 has 64 divisors (see below), whose sum is σ = 1366109063424. Its totient is φ = 326447677440.

The previous prime is 779220893081. The next prime is 779220893161. The reversal of 779220893122 is 221398022977.

It is a self number, because there is not a number n which added to its sum of digits gives 779220893122.

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 31 ways as a sum of consecutive naturals, for example, 235199338 + ... + 235202650.

It is an arithmetic number, because the mean of its divisors is an integer number (21345454116).

Almost surely, 2^779220893122 is an apocalyptic number.

779220893122 is a deficient number, since it is larger than the sum of its proper divisors (586888170302).

779220893122 is a wasteful number, since it uses less digits than its factorization.

779220893122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 779220893122 in words is "seven hundred seventy-nine billion, two hundred twenty million, eight hundred ninety-three thousand, one hundred twenty-two".