117382217 has 4 divisors (see below), whose sum is σ = 120112080. Its totient is φ = 114652356.

The previous prime is 117382207. The next prime is 117382231. The reversal of 117382217 is 712283711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117382217 - 2⁴ = 117382201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117382207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364867 + ... + 1364952.

It is an arithmetic number, because the mean of its divisors is an integer number (30028020).

Almost surely, 2^117382217 is an apocalyptic number.

It is an amenable number.

117382217 is a deficient number, since it is larger than the sum of its proper divisors (2729863).

117382217 is an equidigital number, since it uses as much as digits as its factorization.

117382217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729862.

The product of its digits is 4704, while the sum is 32.

The square root of 117382217 is about 10834.3074074903. The cubic root of 117382217 is about 489.6293420680.

The spelling of 117382217 in words is "one hundred seventeen million, three hundred eighty-two thousand, two hundred seventeen".