117153828 has 36 divisors (see below), whose sum is σ = 323061648. Its totient is φ = 35501040.

The previous prime is 117153781. The next prime is 117153833. The reversal of 117153828 is 828351711.

117153828 is a `hidden beast` number, since 117 + 1 + 538 + 2 + 8 = 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 a junction number, because it is equal to n+sod(n) for n = 117153792 and 117153801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147526 + ... + 148317.

Almost surely, 2^117153828 is an apocalyptic number.

117153828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

117153828 is an abundant number, since it is smaller than the sum of its proper divisors (205907820).

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

117153828 is a wasteful number, since it uses less digits than its factorization.

117153828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295864 (or 295859 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The square root of 117153828 is about 10823.7621925096. The cubic root of 117153828 is about 489.3115808169.

The spelling of 117153828 in words is "one hundred seventeen million, one hundred fifty-three thousand, eight hundred twenty-eight".