104775985 has 12 divisors (see below), whose sum is σ = 130221468. Its totient is φ = 80927168.

The previous prime is 104775977. The next prime is 104775997. The reversal of 104775985 is 589577401.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 266256 + 104509729 = 516^2 + 10223^2 .

It is not a de Polignac number, because 104775985 - 2³ = 104775977 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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8254 + ... + 16663.

It is an arithmetic number, because the mean of its divisors is an integer number (10851789).

Almost surely, 2^104775985 is an apocalyptic number.

It is an amenable number.

104775985 is a deficient number, since it is larger than the sum of its proper divisors (25445483).

104775985 is an equidigital number, since it uses as much as digits as its factorization.

104775985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24980 (or 24951 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 46.

The square root of 104775985 is about 10236.0141168328. The cubic root of 104775985 is about 471.4336562266.

The spelling of 104775985 in words is "one hundred four million, seven hundred seventy-five thousand, nine hundred eighty-five".