7680936557663 has 2 divisors, whose sum is σ = 7680936557664. Its totient is φ = 7680936557662.

The previous prime is 7680936557659. The next prime is 7680936557699. The reversal of 7680936557663 is 3667556390867.

It is a weak prime.

It is an emirp because it is prime and its reverse (3667556390867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7680936557663 - 2² = 7680936557659 is a prime.

It is a super-2 number, since 2×7680936557663² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7680936557263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3840468278831 + 3840468278832.

It is an arithmetic number, because the mean of its divisors is an integer number (3840468278832).

Almost surely, 2^{7680936557663} is an apocalyptic number.

7680936557663 is a deficient number, since it is larger than the sum of its proper divisors (1).

7680936557663 is an equidigital number, since it uses as much as digits as its factorization.

7680936557663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1028764800, while the sum is 71.

The spelling of 7680936557663 in words is "seven trillion, six hundred eighty billion, nine hundred thirty-six million, five hundred fifty-seven thousand, six hundred sixty-three".