108853405 has 4 divisors (see below), whose sum is σ = 130624092. Its totient is φ = 87082720.

The previous prime is 108853391. The next prime is 108853417. The reversal of 108853405 is 504358801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77246521 + 31606884 = 8789^2 + 5622^2 .

It is not a de Polignac number, because 108853405 - 2⁵ = 108853373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10885336 + ... + 10885345.

It is an arithmetic number, because the mean of its divisors is an integer number (32656023).

Almost surely, 2^108853405 is an apocalyptic number.

It is an amenable number.

108853405 is a deficient number, since it is larger than the sum of its proper divisors (21770687).

108853405 is an equidigital number, since it uses as much as digits as its factorization.

108853405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21770686.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 108853405 is about 10433.2835195829. The cubic root of 108853405 is about 477.4713742513.

The spelling of 108853405 in words is "one hundred eight million, eight hundred fifty-three thousand, four hundred five".