26597887 has 2 divisors, whose sum is σ = 26597888. Its totient is φ = 26597886.

The previous prime is 26597869. The next prime is 26597903. The reversal of 26597887 is 78879562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26597887 - 2⁷ = 26597759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26597387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13298943 + 13298944.

It is an arithmetic number, because the mean of its divisors is an integer number (13298944).

Almost surely, 2^26597887 is an apocalyptic number.

26597887 is a deficient number, since it is larger than the sum of its proper divisors (1).

26597887 is an equidigital number, since it uses as much as digits as its factorization.

26597887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 52.

The square root of 26597887 is about 5157.3139326591. The cubic root of 26597887 is about 298.5032373504.

The spelling of 26597887 in words is "twenty-six million, five hundred ninety-seven thousand, eight hundred eighty-seven".