117643914 has 40 divisors (see below), whose sum is σ = 269235648. Its totient is φ = 38377800.

The previous prime is 117643913. The next prime is 117643931. The reversal of 117643914 is 419346711.

117643914 is a `hidden beast` number, since 1 + 1 + 7 + 643 + 9 + 1 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (117643913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 112 + ... + 15339.

Almost surely, 2^117643914 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117643914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134617824).

117643914 is an abundant number, since it is smaller than the sum of its proper divisors (151591734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117643914 is a wasteful number, since it uses less digits than its factorization.

117643914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15512 (or 15503 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 117643914 is about 10846.3779207623. The cubic root of 117643914 is about 489.9929389514.

The spelling of 117643914 in words is "one hundred seventeen million, six hundred forty-three thousand, nine hundred fourteen".