108005447 has 18 divisors (see below), whose sum is σ = 124510344. Its totient is φ = 93441040.

The previous prime is 108005431. The next prime is 108005453. The reversal of 108005447 is 744500801.

It is not a de Polignac number, because 108005447 - 2⁴ = 108005431 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 (108005477) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 548153 + ... + 548349.

Almost surely, 2^108005447 is an apocalyptic number.

108005447 is a deficient number, since it is larger than the sum of its proper divisors (16504897).

108005447 is an equidigital number, since it uses as much as digits as its factorization.

108005447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 108005447 is about 10392.5669110187. The cubic root of 108005447 is about 476.2283215425.

The spelling of 108005447 in words is "one hundred eight million, five thousand, four hundred forty-seven".