117707189 has 2 divisors, whose sum is σ = 117707190. Its totient is φ = 117707188.

The previous prime is 117707179. The next prime is 117707209. The reversal of 117707189 is 981707711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94906564 + 22800625 = 9742^2 + 4775^2 .

It is a cyclic number.

It is not a de Polignac number, because 117707189 - 2⁸ = 117706933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117707119) 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 as a sum of consecutive naturals, namely, 58853594 + 58853595.

It is an arithmetic number, because the mean of its divisors is an integer number (58853595).

Almost surely, 2^117707189 is an apocalyptic number.

It is an amenable number.

117707189 is a deficient number, since it is larger than the sum of its proper divisors (1).

117707189 is an equidigital number, since it uses as much as digits as its factorization.

117707189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24696, while the sum is 41.

The square root of 117707189 is about 10849.2944010198. The cubic root of 117707189 is about 490.0807710804.

The spelling of 117707189 in words is "one hundred seventeen million, seven hundred seven thousand, one hundred eighty-nine".