26802089 has 2 divisors, whose sum is σ = 26802090. Its totient is φ = 26802088.

The previous prime is 26802071. The next prime is 26802101. The reversal of 26802089 is 98020862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23843689 + 2958400 = 4883^2 + 1720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26802089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26802019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13401044 + 13401045.

It is an arithmetic number, because the mean of its divisors is an integer number (13401045).

Almost surely, 2^26802089 is an apocalyptic number.

It is an amenable number.

26802089 is a deficient number, since it is larger than the sum of its proper divisors (1).

26802089 is an equidigital number, since it uses as much as digits as its factorization.

26802089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 26802089 is about 5177.0734010636. The cubic root of 26802089 is about 299.2651979857.

The spelling of 26802089 in words is "twenty-six million, eight hundred two thousand, eighty-nine".