26768947 has 2 divisors, whose sum is σ = 26768948. Its totient is φ = 26768946.

The previous prime is 26768927. The next prime is 26768953. The reversal of 26768947 is 74986762.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26768947 - 2²³ = 18380339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26768947.

It is not a weakly prime, because it can be changed into another prime (26768927) 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, 13384473 + 13384474.

It is an arithmetic number, because the mean of its divisors is an integer number (13384474).

Almost surely, 2^26768947 is an apocalyptic number.

26768947 is a deficient number, since it is larger than the sum of its proper divisors (1).

26768947 is an equidigital number, since it uses as much as digits as its factorization.

26768947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 49.

The square root of 26768947 is about 5173.8715677914. The cubic root of 26768947 is about 299.1417954390.

The spelling of 26768947 in words is "twenty-six million, seven hundred sixty-eight thousand, nine hundred forty-seven".