7709135090807 has 2 divisors, whose sum is σ = 7709135090808. Its totient is φ = 7709135090806.

The previous prime is 7709135090771. The next prime is 7709135090861. The reversal of 7709135090807 is 7080905319077.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7709135090807 - 2¹² = 7709135086711 is a prime.

It is a super-2 number, since 2×7709135090807² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7709135090887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3854567545403 + 3854567545404.

It is an arithmetic number, because the mean of its divisors is an integer number (3854567545404).

Almost surely, 2^{7709135090807} is an apocalyptic number.

7709135090807 is a deficient number, since it is larger than the sum of its proper divisors (1).

7709135090807 is an equidigital number, since it uses as much as digits as its factorization.

7709135090807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3333960, while the sum is 56.

The spelling of 7709135090807 in words is "seven trillion, seven hundred nine billion, one hundred thirty-five million, ninety thousand, eight hundred seven".