799198319399 has 4 divisors (see below), whose sum is σ = 846209985264. Its totient is φ = 752186653536.

The previous prime is 799198319363. The next prime is 799198319401. The reversal of 799198319399 is 993913891997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993913891997 = 13 ⋅76454914769.

It is a cyclic number.

It is not a de Polignac number, because 799198319399 - 2¹⁶ = 799198253863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799198319329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23505832907 + ... + 23505832940.

It is an arithmetic number, because the mean of its divisors is an integer number (211552496316).

Almost surely, 2^799198319399 is an apocalyptic number.

799198319399 is a deficient number, since it is larger than the sum of its proper divisors (47011665865).

799198319399 is a wasteful number, since it uses less digits than its factorization.

799198319399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47011665864.

The product of its digits is 267846264, while the sum is 77.

The spelling of 799198319399 in words is "seven hundred ninety-nine billion, one hundred ninety-eight million, three hundred nineteen thousand, three hundred ninety-nine".