26850889 has 6 divisors (see below), whose sum is σ = 29075406. Its totient is φ = 24785280.

The previous prime is 26850881. The next prime is 26850893. The reversal of 26850889 is 98805862.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 840889 + 26010000 = 917^2 + 5100^2 .

It is not a de Polignac number, because 26850889 - 2³ = 26850881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26850881) 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 5 ways as a sum of consecutive naturals, for example, 79272 + ... + 79609.

It is an arithmetic number, because the mean of its divisors is an integer number (4845901).

Almost surely, 2^26850889 is an apocalyptic number.

It is an amenable number.

26850889 is a deficient number, since it is larger than the sum of its proper divisors (2224517).

26850889 is a wasteful number, since it uses less digits than its factorization.

26850889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158907 (or 158894 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 26850889 is about 5181.7843451846. The cubic root of 26850889 is about 299.4467172584.

The spelling of 26850889 in words is "twenty-six million, eight hundred fifty thousand, eight hundred eighty-nine".