779391383122 has 16 divisors (see below), whose sum is σ = 1275387573600. Its totient is φ = 354263295040.

The previous prime is 779391383119. The next prime is 779391383123. The reversal of 779391383122 is 221383193977.

It is not an unprimeable number, because it can be changed into a prime (779391383123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1394154 + ... + 1871482.

It is an arithmetic number, because the mean of its divisors is an integer number (79711723350).

Almost surely, 2^779391383122 is an apocalyptic number.

779391383122 is a deficient number, since it is larger than the sum of its proper divisors (495996190478).

779391383122 is a wasteful number, since it uses less digits than its factorization.

779391383122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551561.

The product of its digits is 3429216, while the sum is 55.

The spelling of 779391383122 in words is "seven hundred seventy-nine billion, three hundred ninety-one million, three hundred eighty-three thousand, one hundred twenty-two".