26868893 has 2 divisors, whose sum is σ = 26868894. Its totient is φ = 26868892.

The previous prime is 26868887. The next prime is 26868901. The reversal of 26868893 is 39886862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24970009 + 1898884 = 4997^2 + 1378^2 .

It is a cyclic number.

It is not a de Polignac number, because 26868893 - 2¹⁴ = 26852509 is a prime.

It is a super-2 number, since 2×26868893² = 1443874822090898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26868293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13434446 + 13434447.

It is an arithmetic number, because the mean of its divisors is an integer number (13434447).

Almost surely, 2^26868893 is an apocalyptic number.

It is an amenable number.

26868893 is a deficient number, since it is larger than the sum of its proper divisors (1).

26868893 is an equidigital number, since it uses as much as digits as its factorization.

26868893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 50.

The square root of 26868893 is about 5183.5212934838. The cubic root of 26868893 is about 299.5136304268.

The spelling of 26868893 in words is "twenty-six million, eight hundred sixty-eight thousand, eight hundred ninety-three".