7680091397591 has 2 divisors, whose sum is σ = 7680091397592. Its totient is φ = 7680091397590.

The previous prime is 7680091397549. The next prime is 7680091397609. The reversal of 7680091397591 is 1957931900867.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7680091397591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7680091397491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3840045698795 + 3840045698796.

It is an arithmetic number, because the mean of its divisors is an integer number (3840045698796).

Almost surely, 2^{7680091397591} is an apocalyptic number.

7680091397591 is a deficient number, since it is larger than the sum of its proper divisors (1).

7680091397591 is an equidigital number, since it uses as much as digits as its factorization.

7680091397591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25719120, while the sum is 65.

The spelling of 7680091397591 in words is "seven trillion, six hundred eighty billion, ninety-one million, three hundred ninety-seven thousand, five hundred ninety-one".