117895217 has 8 divisors (see below), whose sum is σ = 134205120. Its totient is φ = 102517360.

The previous prime is 117895199. The next prime is 117895291. The reversal of 117895217 is 712598711.

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

It is a de Polignac number, because none of the positive numbers 2^k-117895217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117892217) 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, 232742 + ... + 233247.

It is an arithmetic number, because the mean of its divisors is an integer number (16775640).

Almost surely, 2^117895217 is an apocalyptic number.

It is an amenable number.

117895217 is a deficient number, since it is larger than the sum of its proper divisors (16309903).

117895217 is a wasteful number, since it uses less digits than its factorization.

117895217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466023.

The product of its digits is 35280, while the sum is 41.

The square root of 117895217 is about 10857.9563915131. The cubic root of 117895217 is about 490.3415874464.

The spelling of 117895217 in words is "one hundred seventeen million, eight hundred ninety-five thousand, two hundred seventeen".