26805885 has 16 divisors (see below), whose sum is σ = 43434240. Its totient is φ = 14114880.

The previous prime is 26805881. The next prime is 26805887. The reversal of 26805885 is 58850862.

It is not a de Polignac number, because 26805885 - 2² = 26805881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26805881) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10126 + ... + 12495.

It is an arithmetic number, because the mean of its divisors is an integer number (2714640).

Almost surely, 2^26805885 is an apocalyptic number.

It is an amenable number.

26805885 is a deficient number, since it is larger than the sum of its proper divisors (16628355).

26805885 is a wasteful number, since it uses less digits than its factorization.

26805885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22708.

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 26805885 is about 5177.4400044810. The cubic root of 26805885 is about 299.2793257037.

The spelling of 26805885 in words is "twenty-six million, eight hundred five thousand, eight hundred eighty-five".