791797 has 2 divisors, whose sum is σ = 791798. Its totient is φ = 791796.

The previous prime is 791789. The next prime is 791801. The reversal of 791797 is 797197.

It is a happy number.

791797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 599076 + 192721 = 774^2 + 439^2 .

It is a cyclic number.

It is not a de Polignac number, because 791797 - 2³ = 791789 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (791897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395898 + 395899.

It is an arithmetic number, because the mean of its divisors is an integer number (395899).

2⁷⁹¹⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

791797 is a deficient number, since it is larger than the sum of its proper divisors (1).

791797 is an equidigital number, since it uses as much as digits as its factorization.

791797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27783, while the sum is 40.

The square root of 791797 is about 889.8297589989. The cubic root of 791797 is about 92.5133947001.

The spelling of 791797 in words is "seven hundred ninety-one thousand, seven hundred ninety-seven".