26000009 has 8 divisors (see below), whose sum is σ = 29763840. Its totient is φ = 22248576.

The previous prime is 26000003. The next prime is 26000017. The reversal of 26000009 is 90000062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26000009 - 2¹² = 25995913 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 (26000003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1952 + ... + 7470.

It is an arithmetic number, because the mean of its divisors is an integer number (3720480).

Almost surely, 2^26000009 is an apocalyptic number.

It is an amenable number.

26000009 is a deficient number, since it is larger than the sum of its proper divisors (3763831).

26000009 is an equidigital number, since it uses as much as digits as its factorization.

26000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6199.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 26000009 is about 5099.0203961153. The cubic root of 26000009 is about 296.2496410234.

The spelling of 26000009 in words is "twenty-six million, nine", and thus it is an aban number and an uban number.