26260889 has 2 divisors, whose sum is σ = 26260890. Its totient is φ = 26260888.

The previous prime is 26260859. The next prime is 26260891. The reversal of 26260889 is 98806262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22992025 + 3268864 = 4795^2 + 1808^2 .

It is a cyclic number.

It is not a de Polignac number, because 26260889 - 2¹⁶ = 26195353 is a prime.

Together with 26260891, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26260859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13130444 + 13130445.

It is an arithmetic number, because the mean of its divisors is an integer number (13130445).

Almost surely, 2^26260889 is an apocalyptic number.

It is an amenable number.

26260889 is a deficient number, since it is larger than the sum of its proper divisors (1).

26260889 is an equidigital number, since it uses as much as digits as its factorization.

26260889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 26260889 is about 5124.5379303894. The cubic root of 26260889 is about 297.2371861580.

The spelling of 26260889 in words is "twenty-six million, two hundred sixty thousand, eight hundred eighty-nine".