26981627 has 2 divisors, whose sum is σ = 26981628. Its totient is φ = 26981626.

The previous prime is 26981609. The next prime is 26981639. The reversal of 26981627 is 72618962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26981627 - 2⁸ = 26981371 is a prime.

It is not a weakly prime, because it can be changed into another prime (26981657) 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, 13490813 + 13490814.

It is an arithmetic number, because the mean of its divisors is an integer number (13490814).

Almost surely, 2^26981627 is an apocalyptic number.

26981627 is a deficient number, since it is larger than the sum of its proper divisors (1).

26981627 is an equidigital number, since it uses as much as digits as its factorization.

26981627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 26981627 is about 5194.3841790919. The cubic root of 26981627 is about 299.9319364108.

The spelling of 26981627 in words is "twenty-six million, nine hundred eighty-one thousand, six hundred twenty-seven".