115678617 has 8 divisors (see below), whose sum is σ = 154492224. Its totient is φ = 76992048.

The previous prime is 115678601. The next prime is 115678637. The reversal of 115678617 is 716876511.

It is a happy number.

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

It is not a de Polignac number, because 115678617 - 2⁴ = 115678601 is a prime.

It is a super-3 number, since 3×115678617³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (115678637) 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, 29613 + ... + 33290.

It is an arithmetic number, because the mean of its divisors is an integer number (19311528).

Almost surely, 2^115678617 is an apocalyptic number.

It is an amenable number.

115678617 is a deficient number, since it is larger than the sum of its proper divisors (38813607).

115678617 is an equidigital number, since it uses as much as digits as its factorization.

115678617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63519.

The product of its digits is 70560, while the sum is 42.

The square root of 115678617 is about 10755.3994347026. The cubic root of 115678617 is about 487.2490816558.

The spelling of 115678617 in words is "one hundred fifteen million, six hundred seventy-eight thousand, six hundred seventeen".