797797 has 16 divisors (see below), whose sum is σ = 1072512. Its totient is φ = 573120.

The previous prime is 797773. The next prime is 797813.

797797 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-797797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603 + ... + 1399.

It is an arithmetic number, because the mean of its divisors is an integer number (67032).

2⁷⁹⁷⁷⁹⁷ is an apocalyptic number.

797797 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

797797 is a deficient number, since it is larger than the sum of its proper divisors (274715).

797797 is a wasteful number, since it uses less digits than its factorization.

797797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828.

The product of its digits is 194481, while the sum is 46.

The square root of 797797 is about 893.1948275712. The cubic root of 797797 is about 92.7464865000.

The spelling of 797797 in words is "seven hundred ninety-seven thousand, seven hundred ninety-seven".