799978929318 has 20 divisors (see below), whose sum is σ = 1792545379020. Its totient is φ = 266659643052.

The previous prime is 799978929283. The next prime is 799978929331. The reversal of 799978929318 is 813929879997.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2469070608 + ... + 2469070931.

It is an arithmetic number, because the mean of its divisors is an integer number (89627268951).

Almost surely, 2^799978929318 is an apocalyptic number.

799978929318 is an abundant number, since it is smaller than the sum of its proper divisors (992566449702).

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

799978929318 is a wasteful number, since it uses less digits than its factorization.

799978929318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4938141553 (or 4938141544 counting only the distinct ones).

The product of its digits is 1111065984, while the sum is 81.

The spelling of 799978929318 in words is "seven hundred ninety-nine billion, nine hundred seventy-eight million, nine hundred twenty-nine thousand, three hundred eighteen".