117828032 has 28 divisors (see below), whose sum is σ = 267218160. Its totient is φ = 50497536.

The previous prime is 117828023. The next prime is 117828047. The reversal of 117828032 is 230828711.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 117828032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131057 + ... + 131952.

Almost surely, 2^117828032 is an apocalyptic number.

It is an amenable number.

117828032 is an abundant number, since it is smaller than the sum of its proper divisors (149390128).

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

117828032 is an equidigital number, since it uses as much as digits as its factorization.

117828032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263028 (or 263018 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 117828032 is about 10854.8621363885. The cubic root of 117828032 is about 490.2484260210.

The spelling of 117828032 in words is "one hundred seventeen million, eight hundred twenty-eight thousand, thirty-two".