117656117 has 2 divisors, whose sum is σ = 117656118. Its totient is φ = 117656116.

The previous prime is 117656107. The next prime is 117656141. The reversal of 117656117 is 711656711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77193796 + 40462321 = 8786^2 + 6361^2 .

It is a cyclic number.

It is not a de Polignac number, because 117656117 - 2¹² = 117652021 is a prime.

It is a super-3 number, since 3×117656117³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117656107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58828058 + 58828059.

It is an arithmetic number, because the mean of its divisors is an integer number (58828059).

Almost surely, 2^117656117 is an apocalyptic number.

It is an amenable number.

117656117 is a deficient number, since it is larger than the sum of its proper divisors (1).

117656117 is an equidigital number, since it uses as much as digits as its factorization.

117656117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 35.

The square root of 117656117 is about 10846.9404441990. The cubic root of 117656117 is about 490.0098804061.

The spelling of 117656117 in words is "one hundred seventeen million, six hundred fifty-six thousand, one hundred seventeen".