26228283317 has 4 divisors (see below), whose sum is σ = 26228613900. Its totient is φ = 26227952736.

The previous prime is 26228283283. The next prime is 26228283329. The reversal of 26228283317 is 71338282262.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 20487341956 + 5740941361 = 143134^2 + 75769^2 .

It is a cyclic number.

It is not a de Polignac number, because 26228283317 - 2¹⁰ = 26228282293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26228286317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33059 + ... + 231407.

It is an arithmetic number, because the mean of its divisors is an integer number (6557153475).

It is a Poulet number, since it divides 2^26228283316-1.

Almost surely, 2^26228283317 is an apocalyptic number.

26228283317 is the 132233-rd pentagonal number.

It is an amenable number.

26228283317 is a deficient number, since it is larger than the sum of its proper divisors (330583).

26228283317 is a wasteful number, since it uses less digits than its factorization.

26228283317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330582.

The product of its digits is 387072, while the sum is 44.

The spelling of 26228283317 in words is "twenty-six billion, two hundred twenty-eight million, two hundred eighty-three thousand, three hundred seventeen".