116243917 has 2 divisors, whose sum is σ = 116243918. Its totient is φ = 116243916.

The previous prime is 116243903. The next prime is 116243951. The reversal of 116243917 is 719342611.

It is an a-pointer prime, because the next prime (116243951) can be obtained adding 116243917 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., 85174441 + 31069476 = 9229^2 + 5574^2 .

It is a cyclic number.

It is not a de Polignac number, because 116243917 - 2⁷ = 116243789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116243317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58121958 + 58121959.

It is an arithmetic number, because the mean of its divisors is an integer number (58121959).

Almost surely, 2^116243917 is an apocalyptic number.

It is an amenable number.

116243917 is a deficient number, since it is larger than the sum of its proper divisors (1).

116243917 is an equidigital number, since it uses as much as digits as its factorization.

116243917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 34.

The square root of 116243917 is about 10781.6472303633. The cubic root of 116243917 is about 488.0414909742.

The spelling of 116243917 in words is "one hundred sixteen million, two hundred forty-three thousand, nine hundred seventeen".