797159 has 4 divisors (see below), whose sum is σ = 869640. Its totient is φ = 724680.

The previous prime is 797143. The next prime is 797161. The reversal of 797159 is 951797.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 797159 - 2⁴ = 797143 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 (797119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36224 + ... + 36245.

It is an arithmetic number, because the mean of its divisors is an integer number (217410).

2⁷⁹⁷¹⁵⁹ is an apocalyptic number.

797159 is a deficient number, since it is larger than the sum of its proper divisors (72481).

797159 is a wasteful number, since it uses less digits than its factorization.

797159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72480.

The product of its digits is 19845, while the sum is 38.

The square root of 797159 is about 892.8376112149. The cubic root of 797159 is about 92.7217567175.

The spelling of 797159 in words is "seven hundred ninety-seven thousand, one hundred fifty-nine".