799356139 has 8 divisors (see below), whose sum is σ = 813588800. Its totient is φ = 785160000.

The previous prime is 799356137. The next prime is 799356143. The reversal of 799356139 is 931653997.

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

It is a cyclic number.

It is not a de Polignac number, because 799356139 - 2¹ = 799356137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (799356137) 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, 37087 + ... + 54535.

It is an arithmetic number, because the mean of its divisors is an integer number (101698600).

Almost surely, 2^799356139 is an apocalyptic number.

799356139 is a deficient number, since it is larger than the sum of its proper divisors (14232661).

799356139 is a wasteful number, since it uses less digits than its factorization.

799356139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18261.

The product of its digits is 1377810, while the sum is 52.

The square root of 799356139 is about 28272.8869944334. The cubic root of 799356139 is about 928.0686550444.

The spelling of 799356139 in words is "seven hundred ninety-nine million, three hundred fifty-six thousand, one hundred thirty-nine".