117386217 has 36 divisors (see below), whose sum is σ = 186361344. Its totient is φ = 71154720.

The previous prime is 117386201. The next prime is 117386219. The reversal of 117386217 is 712683711.

It is not a de Polignac number, because 117386217 - 2⁴ = 117386201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117386219) 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 35 ways as a sum of consecutive naturals, for example, 107448 + ... + 108534.

It is an arithmetic number, because the mean of its divisors is an integer number (5176704).

Almost surely, 2^117386217 is an apocalyptic number.

It is an amenable number.

117386217 is a deficient number, since it is larger than the sum of its proper divisors (68975127).

117386217 is a wasteful number, since it uses less digits than its factorization.

117386217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190 (or 1174 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 117386217 is about 10834.4920047042. The cubic root of 117386217 is about 489.6349036575.

It can be divided in two parts, 11738 and 6217, that added together give a triangular number (17955 = T₁₈₉).

The spelling of 117386217 in words is "one hundred seventeen million, three hundred eighty-six thousand, two hundred seventeen".