8007387135691 has 2 divisors, whose sum is σ = 8007387135692. Its totient is φ = 8007387135690.

The previous prime is 8007387135661. The next prime is 8007387135757. The reversal of 8007387135691 is 1965317837008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8007387135691 - 2⁹ = 8007387135179 is a prime.

It is not a weakly prime, because it can be changed into another prime (8007387135661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4003693567845 + 4003693567846.

It is an arithmetic number, because the mean of its divisors is an integer number (4003693567846).

Almost surely, 2^{8007387135691} is an apocalyptic number.

8007387135691 is a deficient number, since it is larger than the sum of its proper divisors (1).

8007387135691 is an equidigital number, since it uses as much as digits as its factorization.

8007387135691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 58.

The spelling of 8007387135691 in words is "eight trillion, seven billion, three hundred eighty-seven million, one hundred thirty-five thousand, six hundred ninety-one".