117843456 has 80 divisors (see below), whose sum is σ = 332483184. Its totient is φ = 36962304.

The previous prime is 117843403. The next prime is 117843463. The reversal of 117843456 is 654348711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23856 + ... + 28368.

Almost surely, 2^117843456 is an apocalyptic number.

117843456 is a gapful number since it is divisible by the number (16) 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 117843456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166241592).

117843456 is an abundant number, since it is smaller than the sum of its proper divisors (214639728).

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

117843456 is an equidigital number, since it uses as much as digits as its factorization.

117843456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551 (or 4535 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 117843456 is about 10855.5725781738. The cubic root of 117843456 is about 490.2698166914.

The spelling of 117843456 in words is "one hundred seventeen million, eight hundred forty-three thousand, four hundred fifty-six".