117447984 has 60 divisors (see below), whose sum is σ = 330231096. Its totient is φ = 38966016.

The previous prime is 117447961. The next prime is 117447989. The reversal of 117447984 is 489744711.

It is a happy number.

117447984 is a `hidden beast` number, since 1 + 174 + 479 + 8 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (117447989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30892 + ... + 34484.

Almost surely, 2^117447984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117447984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165115548).

117447984 is an abundant number, since it is smaller than the sum of its proper divisors (212783112).

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

117447984 is a wasteful number, since it uses less digits than its factorization.

117447984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3834 (or 3825 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 117447984 is about 10837.3421095765. The cubic root of 117447984 is about 489.7207682984.

The spelling of 117447984 in words is "one hundred seventeen million, four hundred forty-seven thousand, nine hundred eighty-four".