117655207 has 2 divisors, whose sum is σ = 117655208. Its totient is φ = 117655206.

The previous prime is 117655183. The next prime is 117655217. The reversal of 117655207 is 702556711.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117655207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117655217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58827603 + 58827604.

It is an arithmetic number, because the mean of its divisors is an integer number (58827604).

Almost surely, 2^117655207 is an apocalyptic number.

117655207 is a deficient number, since it is larger than the sum of its proper divisors (1).

117655207 is an equidigital number, since it uses as much as digits as its factorization.

117655207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14700, while the sum is 34.

The square root of 117655207 is about 10846.8984968054. The cubic root of 117655207 is about 490.0086170913.

The spelling of 117655207 in words is "one hundred seventeen million, six hundred fifty-five thousand, two hundred seven".