117652209 has 8 divisors (see below), whose sum is σ = 159829632. Its totient is φ = 76954800.

The previous prime is 117652187. The next prime is 117652231. The reversal of 117652209 is 902256711.

It is an interprime number because it is at equal distance from previous prime (117652187) and next prime (117652231).

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

It is not a de Polignac number, because 117652209 - 2⁵ = 117652177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117652209.

It is not an unprimeable number, because it can be changed into a prime (117642209) 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, 369817 + ... + 370134.

It is an arithmetic number, because the mean of its divisors is an integer number (19978704).

Almost surely, 2^117652209 is an apocalyptic number.

It is an amenable number.

117652209 is a deficient number, since it is larger than the sum of its proper divisors (42177423).

117652209 is an equidigital number, since it uses as much as digits as its factorization.

117652209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740007.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 117652209 is about 10846.7602997393. The cubic root of 117652209 is about 490.0044550477.

The spelling of 117652209 in words is "one hundred seventeen million, six hundred fifty-two thousand, two hundred nine".