26426887 has 2 divisors, whose sum is σ = 26426888. Its totient is φ = 26426886.

The previous prime is 26426879. The next prime is 26426893. The reversal of 26426887 is 78862462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26426887 - 2³ = 26426879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26426087) 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, 13213443 + 13213444.

It is an arithmetic number, because the mean of its divisors is an integer number (13213444).

Almost surely, 2^26426887 is an apocalyptic number.

26426887 is a deficient number, since it is larger than the sum of its proper divisors (1).

26426887 is an equidigital number, since it uses as much as digits as its factorization.

26426887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 43.

The square root of 26426887 is about 5140.7088032683. The cubic root of 26426887 is about 297.8621609273.

The spelling of 26426887 in words is "twenty-six million, four hundred twenty-six thousand, eight hundred eighty-seven".