117481812 has 36 divisors (see below), whose sum is σ = 318880800. Its totient is φ = 33566064.

The previous prime is 117481799. The next prime is 117481843. The reversal of 117481812 is 218184711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99312 + ... + 100487.

It is an arithmetic number, because the mean of its divisors is an integer number (8857800).

Almost surely, 2^117481812 is an apocalyptic number.

117481812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117481812 is an abundant number, since it is smaller than the sum of its proper divisors (201398988).

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

117481812 is a wasteful number, since it uses less digits than its factorization.

117481812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199820 (or 199811 counting only the distinct ones).

The product of its digits is 3584, while the sum is 33.

The square root of 117481812 is about 10838.9027119907. The cubic root of 117481812 is about 489.7677811216.

The spelling of 117481812 in words is "one hundred seventeen million, four hundred eighty-one thousand, eight hundred twelve".