117172824 has 64 divisors (see below), whose sum is σ = 300464640. Its totient is φ = 38064000.

The previous prime is 117172813. The next prime is 117172849. The reversal of 117172824 is 428271711.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319089 + ... + 319455.

It is an arithmetic number, because the mean of its divisors is an integer number (4694760).

Almost surely, 2^117172824 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 117172824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150232320).

117172824 is an abundant number, since it is smaller than the sum of its proper divisors (183291816).

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

117172824 is a wasteful number, since it uses less digits than its factorization.

117172824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 676 counting only the distinct ones).

The product of its digits is 6272, while the sum is 33.

The square root of 117172824 is about 10824.6396706773. The cubic root of 117172824 is about 489.3380259919.

It can be divided in two parts, 11717 and 2824, that added together give a palindrome (14541).

The spelling of 117172824 in words is "one hundred seventeen million, one hundred seventy-two thousand, eight hundred twenty-four".