779985356112 has 120 divisors (see below), whose sum is σ = 2432926604160. Its totient is φ = 231822259200.

The previous prime is 779985356089. The next prime is 779985356113. The reversal of 779985356112 is 211653589977.

779985356112 is a `hidden beast` number, since 7 + 7 + 9 + 9 + 8 + 5 + 3 + 5 + 611 + 2 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 779985356112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (779985356113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8338264 + ... + 8431287.

It is an arithmetic number, because the mean of its divisors is an integer number (20274388368).

Almost surely, 2^779985356112 is an apocalyptic number.

779985356112 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

779985356112 is an abundant number, since it is smaller than the sum of its proper divisors (1652941248048).

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

779985356112 is a wasteful number, since it uses less digits than its factorization.

779985356112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16769601 (or 16769592 counting only the distinct ones).

The product of its digits is 28576800, while the sum is 63.

The spelling of 779985356112 in words is "seven hundred seventy-nine billion, nine hundred eighty-five million, three hundred fifty-six thousand, one hundred twelve".