26311089 has 12 divisors (see below), whose sum is σ = 40809264. Its totient is φ = 15034824.

The previous prime is 26311079. The next prime is 26311097. The reversal of 26311089 is 98011362.

It is not a de Polignac number, because 26311089 - 2⁴ = 26311073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26311039) 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 11 ways as a sum of consecutive naturals, for example, 89347 + ... + 89640.

It is an arithmetic number, because the mean of its divisors is an integer number (3400772).

Almost surely, 2^26311089 is an apocalyptic number.

It is an amenable number.

26311089 is a deficient number, since it is larger than the sum of its proper divisors (14498175).

26311089 is a wasteful number, since it uses less digits than its factorization.

26311089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179004 (or 178997 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 26311089 is about 5129.4335944625. The cubic root of 26311089 is about 297.4264639471.

The spelling of 26311089 in words is "twenty-six million, three hundred eleven thousand, eighty-nine".