7697969 has 2 divisors, whose sum is σ = 7697970. Its totient is φ = 7697968.

The previous prime is 7697947. The next prime is 7697971. The reversal of 7697969 is 9697967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6864400 + 833569 = 2620^2 + 913^2 .

It is an emirp because it is prime and its reverse (9697967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7697969 - 2⁸ = 7697713 is a prime.

It is a super-2 number, since 2×7697969² = 118517453449922, which contains 22 as substring.

Together with 7697971, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 7⁷ + 6 + 9² + 7⁸ + 9⁶ + 6⁶ + 9⁶ .

It is a self number, because there is not a number n which added to its sum of digits gives 7697969.

It is not a weakly prime, because it can be changed into another prime (7697909) 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, 3848984 + 3848985.

It is an arithmetic number, because the mean of its divisors is an integer number (3848985).

Almost surely, 2^7697969 is an apocalyptic number.

It is an amenable number.

7697969 is a deficient number, since it is larger than the sum of its proper divisors (1).

7697969 is an equidigital number, since it uses as much as digits as its factorization.

7697969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1285956, while the sum is 53.

The square root of 7697969 is about 2774.5214001698. The cubic root of 7697969 is about 197.4507188904.

The spelling of 7697969 in words is "seven million, six hundred ninety-seven thousand, nine hundred sixty-nine".