7680696759661 has 2 divisors, whose sum is σ = 7680696759662. Its totient is φ = 7680696759660.

The previous prime is 7680696759611. The next prime is 7680696759727. The reversal of 7680696759661 is 1669576960867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5689803979561 + 1990892780100 = 2385331^2 + 1410990^2 .

It is a cyclic number.

It is not a de Polignac number, because 7680696759661 - 2⁹ = 7680696759149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7680696759601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3840348379830 + 3840348379831.

It is an arithmetic number, because the mean of its divisors is an integer number (3840348379831).

Almost surely, 2^{7680696759661} is an apocalyptic number.

It is an amenable number.

7680696759661 is a deficient number, since it is larger than the sum of its proper divisors (1).

7680696759661 is an equidigital number, since it uses as much as digits as its factorization.

7680696759661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1234517760, while the sum is 76.

The spelling of 7680696759661 in words is "seven trillion, six hundred eighty billion, six hundred ninety-six million, seven hundred fifty-nine thousand, six hundred sixty-one".