26000881 has 2 divisors, whose sum is σ = 26000882. Its totient is φ = 26000880.

The previous prime is 26000869. The next prime is 26000941. The reversal of 26000881 is 18800062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25806400 + 194481 = 5080^2 + 441^2 .

It is a cyclic number.

It is not a de Polignac number, because 26000881 - 2¹³ = 25992689 is a prime.

It is a super-3 number, since 3×26000881³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (26000801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13000440 + 13000441.

It is an arithmetic number, because the mean of its divisors is an integer number (13000441).

Almost surely, 2^26000881 is an apocalyptic number.

It is an amenable number.

26000881 is a deficient number, since it is larger than the sum of its proper divisors (1).

26000881 is an equidigital number, since it uses as much as digits as its factorization.

26000881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 26000881 is about 5099.1059020185. The cubic root of 26000881 is about 296.2529529043.

The spelling of 26000881 in words is "twenty-six million, eight hundred eighty-one", and thus it is an aban number.