117743919 has 8 divisors (see below), whose sum is σ = 157124352. Its totient is φ = 78429720.

The previous prime is 117743909. The next prime is 117743929. The reversal of 117743919 is 919347711.

It is an interprime number because it is at equal distance from previous prime (117743909) and next prime (117743929).

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

It is not a de Polignac number, because 117743919 - 2⁴ = 117743903 is a prime.

It is a super-2 number, since 2×117743919² = 27727260922957122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117743909) 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, 12249 + ... + 19634.

It is an arithmetic number, because the mean of its divisors is an integer number (19640544).

Almost surely, 2^117743919 is an apocalyptic number.

117743919 is a deficient number, since it is larger than the sum of its proper divisors (39380433).

117743919 is a wasteful number, since it uses less digits than its factorization.

117743919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33117.

The product of its digits is 47628, while the sum is 42.

The square root of 117743919 is about 10850.9870057981. The cubic root of 117743919 is about 490.1317416141.

The spelling of 117743919 in words is "one hundred seventeen million, seven hundred forty-three thousand, nine hundred nineteen".