117643716 has 36 divisors (see below), whose sum is σ = 300273792. Its totient is φ = 38832624.

The previous prime is 117643709. The next prime is 117643717. The reversal of 117643716 is 617346711.

117643716 is a `hidden beast` number, since 1 + 1 + 7 + 643 + 7 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (117643717) 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 11 ways as a sum of consecutive naturals, for example, 12156 + ... + 19571.

Almost surely, 2^117643716 is an apocalyptic number.

It is an amenable number.

117643716 is an abundant number, since it is smaller than the sum of its proper divisors (182630076).

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

117643716 is a wasteful number, since it uses less digits than its factorization.

117643716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31840 (or 31835 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 117643716 is about 10846.3687932875. The cubic root of 117643716 is about 489.9926640579.

The spelling of 117643716 in words is "one hundred seventeen million, six hundred forty-three thousand, seven hundred sixteen".