26559487 has 2 divisors, whose sum is σ = 26559488. Its totient is φ = 26559486.

The previous prime is 26559427. The next prime is 26559493. The reversal of 26559487 is 78495562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26559487 - 2¹¹ = 26557439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26559427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13279743 + 13279744.

It is an arithmetic number, because the mean of its divisors is an integer number (13279744).

Almost surely, 2^26559487 is an apocalyptic number.

26559487 is a deficient number, since it is larger than the sum of its proper divisors (1).

26559487 is an equidigital number, since it uses as much as digits as its factorization.

26559487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 46.

The square root of 26559487 is about 5153.5897197973. The cubic root of 26559487 is about 298.3595160969.

The spelling of 26559487 in words is "twenty-six million, five hundred fifty-nine thousand, four hundred eighty-seven".