799161997 has 4 divisors (see below), whose sum is σ = 811089856. Its totient is φ = 787234140.

The previous prime is 799161991. The next prime is 799162043.

799161997 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 799161997 - 2¹⁹ = 798637709 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 (799161991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5963829 + ... + 5963962.

It is an arithmetic number, because the mean of its divisors is an integer number (202772464).

Almost surely, 2^799161997 is an apocalyptic number.

It is an amenable number.

799161997 is a deficient number, since it is larger than the sum of its proper divisors (11927859).

799161997 is a wasteful number, since it uses less digits than its factorization.

799161997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11927858.

The product of its digits is 1928934, while the sum is 58.

The square root of 799161997 is about 28269.4534259154. The cubic root of 799161997 is about 927.9935146972.

The spelling of 799161997 in words is "seven hundred ninety-nine million, one hundred sixty-one thousand, nine hundred ninety-seven".