26427487 has 2 divisors, whose sum is σ = 26427488. Its totient is φ = 26427486.

The previous prime is 26427473. The next prime is 26427491. The reversal of 26427487 is 78472462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26427487 - 2¹¹ = 26425439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26421487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13213743 + 13213744.

It is an arithmetic number, because the mean of its divisors is an integer number (13213744).

Almost surely, 2^26427487 is an apocalyptic number.

26427487 is a deficient number, since it is larger than the sum of its proper divisors (1).

26427487 is an equidigital number, since it uses as much as digits as its factorization.

26427487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 40.

The square root of 26427487 is about 5140.7671606483. The cubic root of 26427487 is about 297.8644151460.

The spelling of 26427487 in words is "twenty-six million, four hundred twenty-seven thousand, four hundred eighty-seven".