799920863 has 8 divisors (see below), whose sum is σ = 914578080. Its totient is φ = 685359360.

The previous prime is 799920857. The next prime is 799920893. The reversal of 799920863 is 368029997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 799920863 - 2⁶ = 799920799 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 (799920853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5018 + ... + 40311.

It is an arithmetic number, because the mean of its divisors is an integer number (114322260).

Almost surely, 2^799920863 is an apocalyptic number.

799920863 is a deficient number, since it is larger than the sum of its proper divisors (114657217).

799920863 is a wasteful number, since it uses less digits than its factorization.

799920863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47857.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 799920863 is about 28282.8722551300. The cubic root of 799920863 is about 928.2871555952.

The spelling of 799920863 in words is "seven hundred ninety-nine million, nine hundred twenty thousand, eight hundred sixty-three".