117836319 has 4 divisors (see below), whose sum is σ = 157115096. Its totient is φ = 78557544.

The previous prime is 117836293. The next prime is 117836339. The reversal of 117836319 is 913638711.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 117836319 - 2¹¹ = 117834271 is a prime.

It is a super-2 number, since 2×117836319² = 27770796150939522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117836339) 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, 19639384 + ... + 19639389.

It is an arithmetic number, because the mean of its divisors is an integer number (39278774).

Almost surely, 2^117836319 is an apocalyptic number.

117836319 is a deficient number, since it is larger than the sum of its proper divisors (39278777).

117836319 is an equidigital number, since it uses as much as digits as its factorization.

117836319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39278776.

The product of its digits is 27216, while the sum is 39.

The square root of 117836319 is about 10855.2438480211. The cubic root of 117836319 is about 490.2599190231.

The spelling of 117836319 in words is "one hundred seventeen million, eight hundred thirty-six thousand, three hundred nineteen".