116437609 has 2 divisors, whose sum is σ = 116437610. Its totient is φ = 116437608.

The previous prime is 116437571. The next prime is 116437619. The reversal of 116437609 is 906734611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111239209 + 5198400 = 10547^2 + 2280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116437609 is a prime.

It is not a weakly prime, because it can be changed into another prime (116437619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58218804 + 58218805.

It is an arithmetic number, because the mean of its divisors is an integer number (58218805).

Almost surely, 2^116437609 is an apocalyptic number.

It is an amenable number.

116437609 is a deficient number, since it is larger than the sum of its proper divisors (1).

116437609 is an equidigital number, since it uses as much as digits as its factorization.

116437609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 116437609 is about 10790.6259781349. The cubic root of 116437609 is about 488.3124077381.

The spelling of 116437609 in words is "one hundred sixteen million, four hundred thirty-seven thousand, six hundred nine".