117317615 has 8 divisors (see below), whose sum is σ = 145635840. Its totient is φ = 90617632.

The previous prime is 117317611. The next prime is 117317623. The reversal of 117317615 is 516713711.

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 117317615 - 2² = 117317611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117317611) 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, 404399 + ... + 404688.

It is an arithmetic number, because the mean of its divisors is an integer number (18204480).

Almost surely, 2^117317615 is an apocalyptic number.

117317615 is a deficient number, since it is larger than the sum of its proper divisors (28318225).

117317615 is an equidigital number, since it uses as much as digits as its factorization.

117317615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809121.

The product of its digits is 4410, while the sum is 32.

The square root of 117317615 is about 10831.3256344734. The cubic root of 117317615 is about 489.5395021129.

The spelling of 117317615 in words is "one hundred seventeen million, three hundred seventeen thousand, six hundred fifteen".