26705893 has 2 divisors, whose sum is σ = 26705894. Its totient is φ = 26705892.

The previous prime is 26705891. The next prime is 26705909. The reversal of 26705893 is 39850762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19909444 + 6796449 = 4462^2 + 2607^2 .

It is a cyclic number.

It is not a de Polignac number, because 26705893 - 2¹ = 26705891 is a prime.

Together with 26705891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26705891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13352946 + 13352947.

It is an arithmetic number, because the mean of its divisors is an integer number (13352947).

Almost surely, 2^26705893 is an apocalyptic number.

It is an amenable number.

26705893 is a deficient number, since it is larger than the sum of its proper divisors (1).

26705893 is an equidigital number, since it uses as much as digits as its factorization.

26705893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 26705893 is about 5167.7744726333. The cubic root of 26705893 is about 298.9067355640.

The spelling of 26705893 in words is "twenty-six million, seven hundred five thousand, eight hundred ninety-three".