6809797 has 2 divisors, whose sum is σ = 6809798. Its totient is φ = 6809796.

The previous prime is 6809779. The next prime is 6809807. The reversal of 6809797 is 7979086.

Together with previous prime (6809779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6806881 + 2916 = 2609^2 + 54^2 .

It is a cyclic number.

It is not a de Polignac number, because 6809797 - 2⁷ = 6809669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6809717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3404898 + 3404899.

It is an arithmetic number, because the mean of its divisors is an integer number (3404899).

Almost surely, 2^6809797 is an apocalyptic number.

It is an amenable number.

6809797 is a deficient number, since it is larger than the sum of its proper divisors (1).

6809797 is an equidigital number, since it uses as much as digits as its factorization.

6809797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 6809797 is about 2609.5587749656. The cubic root of 6809797 is about 189.5445879629.

The spelling of 6809797 in words is "six million, eight hundred nine thousand, seven hundred ninety-seven".