117808459 has 2 divisors, whose sum is σ = 117808460. Its totient is φ = 117808458.

The previous prime is 117808451. The next prime is 117808501. The reversal of 117808459 is 954808711.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117808459 - 2³ = 117808451 is a prime.

It is not a weakly prime, because it can be changed into another prime (117808451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58904229 + 58904230.

It is an arithmetic number, because the mean of its divisors is an integer number (58904230).

Almost surely, 2^117808459 is an apocalyptic number.

117808459 is a deficient number, since it is larger than the sum of its proper divisors (1).

117808459 is an equidigital number, since it uses as much as digits as its factorization.

117808459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 43.

The square root of 117808459 is about 10853.9605213949. The cubic root of 117808459 is about 490.2212786502.

The spelling of 117808459 in words is "one hundred seventeen million, eight hundred eight thousand, four hundred fifty-nine".