799091817 has 32 divisors (see below), whose sum is σ = 1144326528. Its totient is φ = 494247936.

The previous prime is 799091809. The next prime is 799091831. The reversal of 799091817 is 718190997.

799091817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 799091817 - 2³ = 799091809 is a prime.

It is a super-2 number, since 2×799091817² = 1277095463992722978, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 799091817.

It is not an unprimeable number, because it can be changed into a prime (799091837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1803598 + ... + 1804040.

It is an arithmetic number, because the mean of its divisors is an integer number (35760204).

Almost surely, 2^799091817 is an apocalyptic number.

It is an amenable number.

799091817 is a deficient number, since it is larger than the sum of its proper divisors (345234711).

799091817 is a wasteful number, since it uses less digits than its factorization.

799091817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889.

The product of its (nonzero) digits is 285768, while the sum is 51.

The square root of 799091817 is about 28268.2121295281. The cubic root of 799091817 is about 927.9663493700.

The spelling of 799091817 in words is "seven hundred ninety-nine million, ninety-one thousand, eight hundred seventeen".