26345528887 has 2 divisors, whose sum is σ = 26345528888. Its totient is φ = 26345528886.

The previous prime is 26345528873. The next prime is 26345528897. The reversal of 26345528887 is 78882554362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26345528887 - 2³¹ = 24198045239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26345528897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13172764443 + 13172764444.

It is an arithmetic number, because the mean of its divisors is an integer number (13172764444).

Almost surely, 2^26345528887 is an apocalyptic number.

26345528887 is a deficient number, since it is larger than the sum of its proper divisors (1).

26345528887 is an equidigital number, since it uses as much as digits as its factorization.

26345528887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25804800, while the sum is 58.

The spelling of 26345528887 in words is "twenty-six billion, three hundred forty-five million, five hundred twenty-eight thousand, eight hundred eighty-seven".