117539617 has 8 divisors (see below), whose sum is σ = 126674856. Its totient is φ = 108417792.

The previous prime is 117539603. The next prime is 117539627. The reversal of 117539617 is 716935711.

It can be written as a sum of positive squares in 4 ways, for example, as 55696 + 117483921 = 236^2 + 10839^2 .

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 117539617 - 2⁷ = 117539489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117539617.

It is not an unprimeable number, because it can be changed into a prime (117539627) 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, 21993 + ... + 26809.

It is an arithmetic number, because the mean of its divisors is an integer number (15834357).

Almost surely, 2^117539617 is an apocalyptic number.

It is an amenable number.

117539617 is a deficient number, since it is larger than the sum of its proper divisors (9135239).

117539617 is a wasteful number, since it uses less digits than its factorization.

117539617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6707.

The product of its digits is 39690, while the sum is 40.

The square root of 117539617 is about 10841.5689362749. The cubic root of 117539617 is about 489.8480953536.

The spelling of 117539617 in words is "one hundred seventeen million, five hundred thirty-nine thousand, six hundred seventeen".