117872233 has 2 divisors, whose sum is σ = 117872234. Its totient is φ = 117872232.

The previous prime is 117872231. The next prime is 117872267. The reversal of 117872233 is 332278711.

It is a happy number.

It is an a-pointer prime, because the next prime (117872267) can be obtained adding 117872233 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73822464 + 44049769 = 8592^2 + 6637^2 .

It is an emirp because it is prime and its reverse (332278711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117872233 - 2¹ = 117872231 is a prime.

Together with 117872231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (117872231) 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, 58936116 + 58936117.

It is an arithmetic number, because the mean of its divisors is an integer number (58936117).

Almost surely, 2^117872233 is an apocalyptic number.

It is an amenable number.

117872233 is a deficient number, since it is larger than the sum of its proper divisors (1).

117872233 is an equidigital number, since it uses as much as digits as its factorization.

117872233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 34.

The square root of 117872233 is about 10856.8979455460. The cubic root of 117872233 is about 490.3097208907.

The spelling of 117872233 in words is "one hundred seventeen million, eight hundred seventy-two thousand, two hundred thirty-three".