26856265 has 16 divisors (see below), whose sum is σ = 33324480. Its totient is φ = 20761920.

The previous prime is 26856257. The next prime is 26856289. The reversal of 26856265 is 56265862.

It is a happy number.

It is not a de Polignac number, because 26856265 - 2³ = 26856257 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 32710 + ... + 33520.

It is an arithmetic number, because the mean of its divisors is an integer number (2082780).

Almost surely, 2^26856265 is an apocalyptic number.

It is an amenable number.

26856265 is a deficient number, since it is larger than the sum of its proper divisors (6468215).

26856265 is a wasteful number, since it uses less digits than its factorization.

26856265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032.

The product of its digits is 172800, while the sum is 40.

The square root of 26856265 is about 5182.3030594515. The cubic root of 26856265 is about 299.4667006827.

The spelling of 26856265 in words is "twenty-six million, eight hundred fifty-six thousand, two hundred sixty-five".