799549431 has 16 divisors (see below), whose sum is σ = 1133293440. Its totient is φ = 499975200.

The previous prime is 799549417. The next prime is 799549447. The reversal of 799549431 is 134945997.

It is not a de Polignac number, because 799549431 - 2¹⁴ = 799533047 is a prime.

It is a super-2 number, since 2×799549431² = 1278558585224847522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799549411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63685 + ... + 75198.

It is an arithmetic number, because the mean of its divisors is an integer number (70830840).

Almost surely, 2^799549431 is an apocalyptic number.

799549431 is a deficient number, since it is larger than the sum of its proper divisors (333744009).

799549431 is a wasteful number, since it uses less digits than its factorization.

799549431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139006.

The product of its digits is 1224720, while the sum is 51.

The square root of 799549431 is about 28276.3051157679. The cubic root of 799549431 is about 928.1434543236.

The spelling of 799549431 in words is "seven hundred ninety-nine million, five hundred forty-nine thousand, four hundred thirty-one".