115676609 has 2 divisors, whose sum is σ = 115676610. Its totient is φ = 115676608.

The previous prime is 115676543. The next prime is 115676611. The reversal of 115676609 is 906676511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109411600 + 6265009 = 10460^2 + 2503^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115676609 is a prime.

Together with 115676611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115676629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57838304 + 57838305.

It is an arithmetic number, because the mean of its divisors is an integer number (57838305).

Almost surely, 2^115676609 is an apocalyptic number.

It is an amenable number.

115676609 is a deficient number, since it is larger than the sum of its proper divisors (1).

115676609 is an equidigital number, since it uses as much as digits as its factorization.

115676609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 115676609 is about 10755.3060858350. The cubic root of 115676609 is about 487.2462623453.

The spelling of 115676609 in words is "one hundred fifteen million, six hundred seventy-six thousand, six hundred nine".