116218859 has 2 divisors, whose sum is σ = 116218860. Its totient is φ = 116218858.

The previous prime is 116218789. The next prime is 116218867. The reversal of 116218859 is 958812611.

It is a strong prime.

It is an emirp because it is prime and its reverse (958812611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116218859 is a prime.

It is not a weakly prime, because it can be changed into another prime (116218759) 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, 58109429 + 58109430.

It is an arithmetic number, because the mean of its divisors is an integer number (58109430).

Almost surely, 2^116218859 is an apocalyptic number.

116218859 is a deficient number, since it is larger than the sum of its proper divisors (1).

116218859 is an equidigital number, since it uses as much as digits as its factorization.

116218859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 41.

The square root of 116218859 is about 10780.4851004025. The cubic root of 116218859 is about 488.0064204006.

The spelling of 116218859 in words is "one hundred sixteen million, two hundred eighteen thousand, eight hundred fifty-nine".