115668489 has 8 divisors (see below), whose sum is σ = 154752192. Its totient is φ = 76848560.

The previous prime is 115668481. The next prime is 115668499. The reversal of 115668489 is 984866511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115668489 - 2³ = 115668481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115668481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64917 + ... + 66674.

It is an arithmetic number, because the mean of its divisors is an integer number (19344024).

Almost surely, 2^115668489 is an apocalyptic number.

It is an amenable number.

115668489 is a deficient number, since it is larger than the sum of its proper divisors (39083703).

115668489 is a wasteful number, since it uses less digits than its factorization.

115668489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131887.

The product of its digits is 414720, while the sum is 48.

The square root of 115668489 is about 10754.9285911158. The cubic root of 115668489 is about 487.2348612151.

The spelling of 115668489 in words is "one hundred fifteen million, six hundred sixty-eight thousand, four hundred eighty-nine".