117180438 has 8 divisors (see below), whose sum is σ = 234360888. Its totient is φ = 39060144.

The previous prime is 117180433. The next prime is 117180449. The reversal of 117180438 is 834081711.

It is a sphenic number, since it is the product of 3 distinct primes.

117180438 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 117180399 and 117180408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117180433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9765031 + ... + 9765042.

It is an arithmetic number, because the mean of its divisors is an integer number (29295111).

Almost surely, 2^117180438 is an apocalyptic number.

117180438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

117180438 is a wasteful number, since it uses less digits than its factorization.

117180438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19530078.

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

The square root of 117180438 is about 10824.9913625832. The cubic root of 117180438 is about 489.3486249770.

The spelling of 117180438 in words is "one hundred seventeen million, one hundred eighty thousand, four hundred thirty-eight".