26267287259 has 2 divisors, whose sum is σ = 26267287260. Its totient is φ = 26267287258.

The previous prime is 26267287247. The next prime is 26267287261. The reversal of 26267287259 is 95278276262.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26267287259 - 2⁸ = 26267287003 is a prime.

Together with 26267287261, 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 (26267287289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13133643629 + 13133643630.

It is an arithmetic number, because the mean of its divisors is an integer number (13133643630).

Almost surely, 2^26267287259 is an apocalyptic number.

26267287259 is a deficient number, since it is larger than the sum of its proper divisors (1).

26267287259 is an equidigital number, since it uses as much as digits as its factorization.

26267287259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10160640, while the sum is 56.

The spelling of 26267287259 in words is "twenty-six billion, two hundred sixty-seven million, two hundred eighty-seven thousand, two hundred fifty-nine".