115679089 has 2 divisors, whose sum is σ = 115679090. Its totient is φ = 115679088.

The previous prime is 115679077. The next prime is 115679111. The reversal of 115679089 is 980976511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112720689 + 2958400 = 10617^2 + 1720^2 .

It is an emirp because it is prime and its reverse (980976511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115679089 - 2⁷ = 115678961 is a prime.

It is not a weakly prime, because it can be changed into another prime (115679059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57839544 + 57839545.

It is an arithmetic number, because the mean of its divisors is an integer number (57839545).

Almost surely, 2^115679089 is an apocalyptic number.

It is an amenable number.

115679089 is a deficient number, since it is larger than the sum of its proper divisors (1).

115679089 is an equidigital number, since it uses as much as digits as its factorization.

115679089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 46.

The square root of 115679089 is about 10755.4213771474. The cubic root of 115679089 is about 487.2497443575.

The spelling of 115679089 in words is "one hundred fifteen million, six hundred seventy-nine thousand, eighty-nine".