117307655639 has 2 divisors, whose sum is σ = 117307655640. Its totient is φ = 117307655638.

The previous prime is 117307655611. The next prime is 117307655657. The reversal of 117307655639 is 936556703711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117307655639 - 2⁸ = 117307655383 is a prime.

It is a super-2 number, since 2×117307655639² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117307655609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58653827819 + 58653827820.

It is an arithmetic number, because the mean of its divisors is an integer number (58653827820).

Almost surely, 2^117307655639 is an apocalyptic number.

117307655639 is a deficient number, since it is larger than the sum of its proper divisors (1).

117307655639 is an equidigital number, since it uses as much as digits as its factorization.

117307655639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3572100, while the sum is 53.

The spelling of 117307655639 in words is "one hundred seventeen billion, three hundred seven million, six hundred fifty-five thousand, six hundred thirty-nine".