26120889 has 6 divisors (see below), whose sum is σ = 37730186. Its totient is φ = 17413920.

The previous prime is 26120881. The next prime is 26120911. The reversal of 26120889 is 98802162.

It can be written as a sum of positive squares in only one way, i.e., 26010000 + 110889 = 5100^2 + 333^2 .

It is not a de Polignac number, because 26120889 - 2³ = 26120881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26120881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1451152 + ... + 1451169.

Almost surely, 2^26120889 is an apocalyptic number.

It is an amenable number.

26120889 is a deficient number, since it is larger than the sum of its proper divisors (11609297).

26120889 is a wasteful number, since it uses less digits than its factorization.

26120889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902327 (or 2902324 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 26120889 is about 5110.8599080781. The cubic root of 26120889 is about 296.7080421749.

The spelling of 26120889 in words is "twenty-six million, one hundred twenty thousand, eight hundred eighty-nine".