117173617 has 6 divisors (see below), whose sum is σ = 128794274. Its totient is φ = 106521360.

The previous prime is 117173599. The next prime is 117173621. The reversal of 117173617 is 716371711.

It can be written as a sum of positive squares in only one way, i.e., 117158976 + 14641 = 10824^2 + 121^2 .

It is not a de Polignac number, because 117173617 - 2⁷ = 117173489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117173647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 484068 + ... + 484309.

Almost surely, 2^117173617 is an apocalyptic number.

It is an amenable number.

117173617 is a deficient number, since it is larger than the sum of its proper divisors (11620657).

117173617 is an equidigital number, since it uses as much as digits as its factorization.

117173617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968399 (or 968388 counting only the distinct ones).

The product of its digits is 6174, while the sum is 34.

The square root of 117173617 is about 10824.6763000101. The cubic root of 117173617 is about 489.3391299003.

The spelling of 117173617 in words is "one hundred seventeen million, one hundred seventy-three thousand, six hundred seventeen".