117017656237 has 2 divisors, whose sum is σ = 117017656238. Its totient is φ = 117017656236.

The previous prime is 117017656229. The next prime is 117017656243. The reversal of 117017656237 is 732656710711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63476786916 + 53540869321 = 251946^2 + 231389^2 .

It is a cyclic number.

It is not a de Polignac number, because 117017656237 - 2³ = 117017656229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117017650237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58508828118 + 58508828119.

It is an arithmetic number, because the mean of its divisors is an integer number (58508828119).

Almost surely, 2^117017656237 is an apocalyptic number.

It is an amenable number.

117017656237 is a deficient number, since it is larger than the sum of its proper divisors (1).

117017656237 is an equidigital number, since it uses as much as digits as its factorization.

117017656237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 370440, while the sum is 46.

The spelling of 117017656237 in words is "one hundred seventeen billion, seventeen million, six hundred fifty-six thousand, two hundred thirty-seven".