799312999 has 4 divisors (see below), whose sum is σ = 818808480. Its totient is φ = 779817520.

The previous prime is 799312963. The next prime is 799313003. The reversal of 799312999 is 999213997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999213997 = 557 ⋅1793921.

It is a cyclic number.

It is not a de Polignac number, because 799312999 - 2⁹ = 799312487 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 (799312909) 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, 9747679 + ... + 9747760.

It is an arithmetic number, because the mean of its divisors is an integer number (204702120).

Almost surely, 2^799312999 is an apocalyptic number.

799312999 is a deficient number, since it is larger than the sum of its proper divisors (19495481).

799312999 is a wasteful number, since it uses less digits than its factorization.

799312999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19495480.

The product of its digits is 2480058, while the sum is 58.

The square root of 799312999 is about 28272.1240624046. The cubic root of 799312999 is about 928.0519592730.

The spelling of 799312999 in words is "seven hundred ninety-nine million, three hundred twelve thousand, nine hundred ninety-nine".