26985659 has 2 divisors, whose sum is σ = 26985660. Its totient is φ = 26985658.

The previous prime is 26985619. The next prime is 26985677. The reversal of 26985659 is 95658962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26985659 - 2⁸ = 26985403 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26985619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13492829 + 13492830.

It is an arithmetic number, because the mean of its divisors is an integer number (13492830).

Almost surely, 2^26985659 is an apocalyptic number.

26985659 is a deficient number, since it is larger than the sum of its proper divisors (1).

26985659 is an equidigital number, since it uses as much as digits as its factorization.

26985659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 50.

The square root of 26985659 is about 5194.7722760483. The cubic root of 26985659 is about 299.9468757785.

The spelling of 26985659 in words is "twenty-six million, nine hundred eighty-five thousand, six hundred fifty-nine".