26749847 has 2 divisors, whose sum is σ = 26749848. Its totient is φ = 26749846.

The previous prime is 26749841. The next prime is 26749859. The reversal of 26749847 is 74894762.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26749847 - 2⁶ = 26749783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26749841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13374923 + 13374924.

It is an arithmetic number, because the mean of its divisors is an integer number (13374924).

Almost surely, 2^26749847 is an apocalyptic number.

26749847 is a deficient number, since it is larger than the sum of its proper divisors (1).

26749847 is an equidigital number, since it uses as much as digits as its factorization.

26749847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 47.

The square root of 26749847 is about 5172.0254253049. The cubic root of 26749847 is about 299.0706312931.

It can be divided in two parts, 2674 and 9847, that added together give a palindrome (12521).

The spelling of 26749847 in words is "twenty-six million, seven hundred forty-nine thousand, eight hundred forty-seven".