26844863 has 2 divisors, whose sum is σ = 26844864. Its totient is φ = 26844862.

The previous prime is 26844833. The next prime is 26844889. The reversal of 26844863 is 36844862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26844863 - 2¹² = 26840767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26844863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26844833) 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, 13422431 + 13422432.

It is an arithmetic number, because the mean of its divisors is an integer number (13422432).

Almost surely, 2^26844863 is an apocalyptic number.

26844863 is a deficient number, since it is larger than the sum of its proper divisors (1).

26844863 is an equidigital number, since it uses as much as digits as its factorization.

26844863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 41.

The square root of 26844863 is about 5181.2028526202. The cubic root of 26844863 is about 299.4243145125.

Subtracting 26844863 from its reverse (36844862), we obtain a palindrome (9999999).

The spelling of 26844863 in words is "twenty-six million, eight hundred forty-four thousand, eight hundred sixty-three".