117478368 has 144 divisors (see below), whose sum is σ = 402030720. Its totient is φ = 31788288.

The previous prime is 117478357. The next prime is 117478373. The reversal of 117478368 is 863874711.

117478368 is a `hidden beast` number, since 117 + 478 + 3 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36771 + ... + 39837.

It is an arithmetic number, because the mean of its divisors is an integer number (2791880).

Almost surely, 2^117478368 is an apocalyptic number.

117478368 is a gapful number since it is divisible by the number (18) 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 117478368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201015360).

117478368 is an abundant number, since it is smaller than the sum of its proper divisors (284552352).

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

117478368 is a wasteful number, since it uses less digits than its factorization.

117478368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109 (or 3098 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 117478368 is about 10838.7438386558. The cubic root of 117478368 is about 489.7629951986.

The spelling of 117478368 in words is "one hundred seventeen million, four hundred seventy-eight thousand, three hundred sixty-eight".