117615617 has 8 divisors (see below), whose sum is σ = 134759616. Its totient is φ = 100557072.

The previous prime is 117615601. The next prime is 117615647. The reversal of 117615617 is 716516711.

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

It is not a de Polignac number, because 117615617 - 2⁴ = 117615601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117615647) 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, 18383 + ... + 23940.

It is an arithmetic number, because the mean of its divisors is an integer number (16844952).

Almost surely, 2^117615617 is an apocalyptic number.

It is an amenable number.

117615617 is a deficient number, since it is larger than the sum of its proper divisors (17143999).

117615617 is an equidigital number, since it uses as much as digits as its factorization.

117615617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42727.

The product of its digits is 8820, while the sum is 35.

The square root of 117615617 is about 10845.0733976308. The cubic root of 117615617 is about 489.9536496488.

The spelling of 117615617 in words is "one hundred seventeen million, six hundred fifteen thousand, six hundred seventeen".