26856383 has 2 divisors, whose sum is σ = 26856384. Its totient is φ = 26856382.

The previous prime is 26856337. The next prime is 26856391. The reversal of 26856383 is 38365862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26856383 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26856383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26856083) 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, 13428191 + 13428192.

It is an arithmetic number, because the mean of its divisors is an integer number (13428192).

Almost surely, 2^26856383 is an apocalyptic number.

26856383 is a deficient number, since it is larger than the sum of its proper divisors (1).

26856383 is an equidigital number, since it uses as much as digits as its factorization.

26856383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 41.

The square root of 26856383 is about 5182.3144443386. The cubic root of 26856383 is about 299.4671392771.

The spelling of 26856383 in words is "twenty-six million, eight hundred fifty-six thousand, three hundred eighty-three".