116388089 has 2 divisors, whose sum is σ = 116388090. Its totient is φ = 116388088.

The previous prime is 116388067. The next prime is 116388109. The reversal of 116388089 is 980883611.

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., 92544400 + 23843689 = 9620^2 + 4883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116388089 is a prime.

It is a super-2 number, since 2×116388089² = 27092374522143842, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (116388289) 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, 58194044 + 58194045.

It is an arithmetic number, because the mean of its divisors is an integer number (58194045).

Almost surely, 2^116388089 is an apocalyptic number.

It is an amenable number.

116388089 is a deficient number, since it is larger than the sum of its proper divisors (1).

116388089 is an equidigital number, since it uses as much as digits as its factorization.

116388089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 116388089 is about 10788.3311499045. The cubic root of 116388089 is about 488.2431727791.

The spelling of 116388089 in words is "one hundred sixteen million, three hundred eighty-eight thousand, eighty-nine".