117805233 has 16 divisors (see below), whose sum is σ = 193321856. Its totient is φ = 62138880.

The previous prime is 117805231. The next prime is 117805253. The reversal of 117805233 is 332508711.

It is not a de Polignac number, because 117805233 - 2¹ = 117805231 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 117805233.

It is not an unprimeable number, because it can be changed into a prime (117805231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215488 + ... + 216033.

It is an arithmetic number, because the mean of its divisors is an integer number (12082616).

Almost surely, 2^117805233 is an apocalyptic number.

117805233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

117805233 is a deficient number, since it is larger than the sum of its proper divisors (75516623).

117805233 is a wasteful number, since it uses less digits than its factorization.

117805233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431544.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 117805233 is about 10853.8119110292. The cubic root of 117805233 is about 490.2168039622.

The spelling of 117805233 in words is "one hundred seventeen million, eight hundred five thousand, two hundred thirty-three".