26856793 has 2 divisors, whose sum is σ = 26856794. Its totient is φ = 26856792.

The previous prime is 26856779. The next prime is 26856827. The reversal of 26856793 is 39765862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26594649 + 262144 = 5157^2 + 512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26856793 is a prime.

It is not a weakly prime, because it can be changed into another prime (26856733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13428396 + 13428397.

It is an arithmetic number, because the mean of its divisors is an integer number (13428397).

Almost surely, 2^26856793 is an apocalyptic number.

It is an amenable number.

26856793 is a deficient number, since it is larger than the sum of its proper divisors (1).

26856793 is an equidigital number, since it uses as much as digits as its factorization.

26856793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 46.

The square root of 26856793 is about 5182.3540018027. The cubic root of 26856793 is about 299.4686631966.

The spelling of 26856793 in words is "twenty-six million, eight hundred fifty-six thousand, seven hundred ninety-three".