26785985 has 4 divisors (see below), whose sum is σ = 32143188. Its totient is φ = 21428784.

The previous prime is 26785921. The next prime is 26786003. The reversal of 26785985 is 58958762.

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 20948929 + 5837056 = 4577^2 + 2416^2 .

It is a cyclic number.

It is not a de Polignac number, because 26785985 - 2⁶ = 26785921 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, 2678594 + ... + 2678603.

It is an arithmetic number, because the mean of its divisors is an integer number (8035797).

Almost surely, 2^26785985 is an apocalyptic number.

It is an amenable number.

26785985 is a deficient number, since it is larger than the sum of its proper divisors (5357203).

26785985 is an equidigital number, since it uses as much as digits as its factorization.

26785985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5357202.

The product of its digits is 1209600, while the sum is 50.

The square root of 26785985 is about 5175.5178484863. The cubic root of 26785985 is about 299.2052482767.

The spelling of 26785985 in words is "twenty-six million, seven hundred eighty-five thousand, nine hundred eighty-five".