115678489 has 8 divisors (see below), whose sum is σ = 124795080. Its totient is φ = 106818816.

The previous prime is 115678481. The next prime is 115678513. The reversal of 115678489 is 984876511.

It can be written as a sum of positive squares in 4 ways, for example, as 82500889 + 33177600 = 9083^2 + 5760^2 .

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 115678489 - 2³ = 115678481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115678481) 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, 63294 + ... + 65095.

It is an arithmetic number, because the mean of its divisors is an integer number (15599385).

Almost surely, 2^115678489 is an apocalyptic number.

It is an amenable number.

115678489 is a deficient number, since it is larger than the sum of its proper divisors (9116591).

115678489 is a wasteful number, since it uses less digits than its factorization.

115678489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128459.

The product of its digits is 483840, while the sum is 49.

The square root of 115678489 is about 10755.3934842013. The cubic root of 115678489 is about 487.2489019398.

The spelling of 115678489 in words is "one hundred fifteen million, six hundred seventy-eight thousand, four hundred eighty-nine".