117307655687 has 2 divisors, whose sum is σ = 117307655688. Its totient is φ = 117307655686.

The previous prime is 117307655671. The next prime is 117307655701. The reversal of 117307655687 is 786556703711.

It is a strong prime.

It is an emirp because it is prime and its reverse (786556703711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117307655687 - 2⁴ = 117307655671 is a prime.

It is a super-2 number, since 2×117307655687² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117307655657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58653827843 + 58653827844.

It is an arithmetic number, because the mean of its divisors is an integer number (58653827844).

Almost surely, 2^117307655687 is an apocalyptic number.

117307655687 is a deficient number, since it is larger than the sum of its proper divisors (1).

117307655687 is an equidigital number, since it uses as much as digits as its factorization.

117307655687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7408800, while the sum is 56.

The spelling of 117307655687 in words is "one hundred seventeen billion, three hundred seven million, six hundred fifty-five thousand, six hundred eighty-seven".