799919731368 has 48 divisors (see below), whose sum is σ = 2166493586400. Its totient is φ = 266634456480.

The previous prime is 799919731361. The next prime is 799919731381. The reversal of 799919731368 is 863137919997.

799919731368 is a `hidden beast` number, since 7 + 99 + 91 + 97 + 3 + 1 + 368 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 799919731296 and 799919731305.

It is not an unprimeable number, because it can be changed into a prime (799919731361) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5047723 + ... + 5203781.

It is an arithmetic number, because the mean of its divisors is an integer number (45135283050).

Almost surely, 2^799919731368 is an apocalyptic number.

It is an amenable number.

799919731368 is an abundant number, since it is smaller than the sum of its proper divisors (1366573855032).

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

799919731368 is a wasteful number, since it uses less digits than its factorization.

799919731368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227262 (or 227255 counting only the distinct ones).

The product of its digits is 138883248, while the sum is 72.

The spelling of 799919731368 in words is "seven hundred ninety-nine billion, nine hundred nineteen million, seven hundred thirty-one thousand, three hundred sixty-eight".