108008785 has 4 divisors (see below), whose sum is σ = 129610548. Its totient is φ = 86407024.

The previous prime is 108008741. The next prime is 108008807. The reversal of 108008785 is 587800801.

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 59120721 + 48888064 = 7689^2 + 6992^2 .

It is a cyclic number.

It is not a de Polignac number, because 108008785 - 2⁷ = 108008657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10800874 + ... + 10800883.

It is an arithmetic number, because the mean of its divisors is an integer number (32402637).

Almost surely, 2^108008785 is an apocalyptic number.

It is an amenable number.

108008785 is a deficient number, since it is larger than the sum of its proper divisors (21601763).

108008785 is an equidigital number, since it uses as much as digits as its factorization.

108008785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21601762.

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 108008785 is about 10392.7275053279. The cubic root of 108008785 is about 476.2332275721.

The spelling of 108008785 in words is "one hundred eight million, eight thousand, seven hundred eighty-five".