117707579749 has 2 divisors, whose sum is σ = 117707579750. Its totient is φ = 117707579748.

The previous prime is 117707579707. The next prime is 117707579761. The reversal of 117707579749 is 947975707711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105889715649 + 11817864100 = 325407^2 + 108710^2 .

It is a cyclic number.

It is not a de Polignac number, because 117707579749 - 2¹⁵ = 117707546981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117707579149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58853789874 + 58853789875.

It is an arithmetic number, because the mean of its divisors is an integer number (58853789875).

Almost surely, 2^117707579749 is an apocalyptic number.

It is an amenable number.

117707579749 is a deficient number, since it is larger than the sum of its proper divisors (1).

117707579749 is an equidigital number, since it uses as much as digits as its factorization.

117707579749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27227340, while the sum is 64.

The spelling of 117707579749 in words is "one hundred seventeen billion, seven hundred seven million, five hundred seventy-nine thousand, seven hundred forty-nine".