26008091 has 4 divisors (see below), whose sum is σ = 26026392. Its totient is φ = 25989792.

The previous prime is 26008069. The next prime is 26008097. The reversal of 26008091 is 19080062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26008091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26008091.

It is not an unprimeable number, because it can be changed into a prime (26008097) 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 3 ways as a sum of consecutive naturals, for example, 6821 + ... + 9926.

It is an arithmetic number, because the mean of its divisors is an integer number (6506598).

Almost surely, 2^26008091 is an apocalyptic number.

26008091 is a deficient number, since it is larger than the sum of its proper divisors (18301).

26008091 is a wasteful number, since it uses less digits than its factorization.

26008091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18300.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 26008091 is about 5099.8128397030. The cubic root of 26008091 is about 296.2803338532.

The spelling of 26008091 in words is "twenty-six million, eight thousand, ninety-one".