797911 has 2 divisors, whose sum is σ = 797912. Its totient is φ = 797910.

The previous prime is 797897. The next prime is 797917. The reversal of 797911 is 119797.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (119797) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 797911 - 2⁹ = 797399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797917) 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 as a sum of consecutive naturals, namely, 398955 + 398956.

It is an arithmetic number, because the mean of its divisors is an integer number (398956).

2⁷⁹⁷⁹¹¹ is an apocalyptic number.

797911 is a deficient number, since it is larger than the sum of its proper divisors (1).

797911 is an equidigital number, since it uses as much as digits as its factorization.

797911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3969, while the sum is 34.

The square root of 797911 is about 893.2586411561. The cubic root of 797911 is about 92.7509039127.

The spelling of 797911 in words is "seven hundred ninety-seven thousand, nine hundred eleven".