117443856 has 20 divisors (see below), whose sum is σ = 303396752. Its totient is φ = 39147936.

The previous prime is 117443801. The next prime is 117443857. The reversal of 117443856 is 658344711.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (117443857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223326 + ... + 1223421.

Almost surely, 2^117443856 is an apocalyptic number.

117443856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

117443856 is an abundant number, since it is smaller than the sum of its proper divisors (185952896).

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

117443856 is a wasteful number, since it uses less digits than its factorization.

117443856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446758 (or 2446752 counting only the distinct ones).

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

The square root of 117443856 is about 10837.1516553013. The cubic root of 117443856 is about 489.7150307485.

The spelling of 117443856 in words is "one hundred seventeen million, four hundred forty-three thousand, eight hundred fifty-six".