117829559 has 2 divisors, whose sum is σ = 117829560. Its totient is φ = 117829558.

The previous prime is 117829471. The next prime is 117829561. The reversal of 117829559 is 955928711.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117829559 - 2⁸ = 117829303 is a prime.

It is a Sophie Germain prime.

Together with 117829561, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117822559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58914779 + 58914780.

It is an arithmetic number, because the mean of its divisors is an integer number (58914780).

Almost surely, 2^117829559 is an apocalyptic number.

117829559 is a deficient number, since it is larger than the sum of its proper divisors (1).

117829559 is an equidigital number, since it uses as much as digits as its factorization.

117829559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 47.

The square root of 117829559 is about 10854.9324733045. The cubic root of 117829559 is about 490.2505438139.

The spelling of 117829559 in words is "one hundred seventeen million, eight hundred twenty-nine thousand, five hundred fifty-nine".