117182447 has 16 divisors (see below), whose sum is σ = 125826048. Its totient is φ = 108884160.

The previous prime is 117182431. The next prime is 117182453. The reversal of 117182447 is 744281711.

It is a cyclic number.

It is not a de Polignac number, because 117182447 - 2⁴ = 117182431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117182407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118718 + ... + 119700.

It is an arithmetic number, because the mean of its divisors is an integer number (7864128).

Almost surely, 2^117182447 is an apocalyptic number.

117182447 is a deficient number, since it is larger than the sum of its proper divisors (8643601).

117182447 is an equidigital number, since it uses as much as digits as its factorization.

117182447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150.

The product of its digits is 12544, while the sum is 35.

The square root of 117182447 is about 10825.0841567168. The cubic root of 117182447 is about 489.3514215068.

The spelling of 117182447 in words is "one hundred seventeen million, one hundred eighty-two thousand, four hundred forty-seven".