26016889 has 2 divisors, whose sum is σ = 26016890. Its totient is φ = 26016888.

The previous prime is 26016877. The next prime is 26016911. The reversal of 26016889 is 98861062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26010000 + 6889 = 5100^2 + 83^2 .

It is a cyclic number.

It is not a de Polignac number, because 26016889 - 2¹¹ = 26014841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26016589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13008444 + 13008445.

It is an arithmetic number, because the mean of its divisors is an integer number (13008445).

Almost surely, 2^26016889 is an apocalyptic number.

It is an amenable number.

26016889 is a deficient number, since it is larger than the sum of its proper divisors (1).

26016889 is an equidigital number, since it uses as much as digits as its factorization.

26016889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 26016889 is about 5100.6753474417. The cubic root of 26016889 is about 296.3137385926.

It can be divided in two parts, 2601 and 6889, that multiplied together give a square (17918289 = 4233²).

The spelling of 26016889 in words is "twenty-six million, sixteen thousand, eight hundred eighty-nine".