116956289 has 2 divisors, whose sum is σ = 116956290. Its totient is φ = 116956288.

The previous prime is 116956253. The next prime is 116956309. The reversal of 116956289 is 982659611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93993025 + 22963264 = 9695^2 + 4792^2 .

It is a cyclic number.

It is not a de Polignac number, because 116956289 - 2⁸ = 116956033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (116953289) 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, 58478144 + 58478145.

It is an arithmetic number, because the mean of its divisors is an integer number (58478145).

Almost surely, 2^116956289 is an apocalyptic number.

It is an amenable number.

116956289 is a deficient number, since it is larger than the sum of its proper divisors (1).

116956289 is an equidigital number, since it uses as much as digits as its factorization.

116956289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 47.

The square root of 116956289 is about 10814.6330959492. The cubic root of 116956289 is about 489.0364084227.

The spelling of 116956289 in words is "one hundred sixteen million, nine hundred fifty-six thousand, two hundred eighty-nine".