26289079 has 2 divisors, whose sum is σ = 26289080. Its totient is φ = 26289078.

The previous prime is 26289073. The next prime is 26289083. The reversal of 26289079 is 97098262.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26289079 - 2¹¹ = 26287031 is a prime.

It is a super-2 number, since 2×26289079² = 1382231349336482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26289073) 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 as a sum of consecutive naturals, namely, 13144539 + 13144540.

It is an arithmetic number, because the mean of its divisors is an integer number (13144540).

Almost surely, 2^26289079 is an apocalyptic number.

26289079 is a deficient number, since it is larger than the sum of its proper divisors (1).

26289079 is an equidigital number, since it uses as much as digits as its factorization.

26289079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 26289079 is about 5127.2876845365. The cubic root of 26289079 is about 297.3435054814.

The spelling of 26289079 in words is "twenty-six million, two hundred eighty-nine thousand, seventy-nine".