117831084 has 144 divisors (see below), whose sum is σ = 344736000. Its totient is φ = 31135104.

The previous prime is 117831067. The next prime is 117831113. The reversal of 117831084 is 480138711.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 592017 + ... + 592215.

It is an arithmetic number, because the mean of its divisors is an integer number (2394000).

Almost surely, 2^117831084 is an apocalyptic number.

117831084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117831084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172368000).

117831084 is an abundant number, since it is smaller than the sum of its proper divisors (226904916).

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

117831084 is a wasteful number, since it uses less digits than its factorization.

117831084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 117831084 is about 10855.0027176413. The cubic root of 117831084 is about 490.2526588147.

Adding to 117831084 its reverse (480138711), we get a palindrome (597969795).

The spelling of 117831084 in words is "one hundred seventeen million, eight hundred thirty-one thousand, eighty-four".