116907289 has 2 divisors, whose sum is σ = 116907290. Its totient is φ = 116907288.

The previous prime is 116907269. The next prime is 116907299. The reversal of 116907289 is 982709611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116640000 + 267289 = 10800^2 + 517^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116907289 is a prime.

It is not a weakly prime, because it can be changed into another prime (116907269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58453644 + 58453645.

It is an arithmetic number, because the mean of its divisors is an integer number (58453645).

Almost surely, 2^116907289 is an apocalyptic number.

It is an amenable number.

116907289 is a deficient number, since it is larger than the sum of its proper divisors (1).

116907289 is an equidigital number, since it uses as much as digits as its factorization.

116907289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 116907289 is about 10812.3674095917. The cubic root of 116907289 is about 488.9681033278.

The spelling of 116907289 in words is "one hundred sixteen million, nine hundred seven thousand, two hundred eighty-nine".