7697676767969 has 2 divisors, whose sum is σ = 7697676767970. Its totient is φ = 7697676767968.

The previous prime is 7697676767939. The next prime is 7697676767983. The reversal of 7697676767969 is 9697676767967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6186596620369 + 1511080147600 = 2487287^2 + 1229260^2 .

It is an emirp because it is prime and its reverse (9697676767967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7697676767969 - 2²⁸ = 7697408332513 is a prime.

It is a super-2 number, since 2×7697676767969² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7697676767939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3848838383984 + 3848838383985.

It is an arithmetic number, because the mean of its divisors is an integer number (3848838383985).

Almost surely, 2^{7697676767969} is an apocalyptic number.

It is an amenable number.

7697676767969 is a deficient number, since it is larger than the sum of its proper divisors (1).

7697676767969 is an equidigital number, since it uses as much as digits as its factorization.

7697676767969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95273908128, while the sum is 92.

The spelling of 7697676767969 in words is "seven trillion, six hundred ninety-seven billion, six hundred seventy-six million, seven hundred sixty-seven thousand, nine hundred sixty-nine".