26227421317 has 4 divisors (see below), whose sum is σ = 26231599296. Its totient is φ = 26223243340.

The previous prime is 26227421299. The next prime is 26227421321. The reversal of 26227421317 is 71312472262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71312472262 = 2 ⋅35656236131.

It is a cyclic number.

It is not a de Polignac number, because 26227421317 - 2³¹ = 24079937669 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 (26227421357) 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, 2079559 + ... + 2092132.

It is an arithmetic number, because the mean of its divisors is an integer number (6557899824).

Almost surely, 2^26227421317 is an apocalyptic number.

It is an amenable number.

26227421317 is a deficient number, since it is larger than the sum of its proper divisors (4177979).

26227421317 is an equidigital number, since it uses as much as digits as its factorization.

26227421317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4177978.

The product of its digits is 56448, while the sum is 37.

Adding to 26227421317 its reverse (71312472262), we get a palindrome (97539893579).

The spelling of 26227421317 in words is "twenty-six billion, two hundred twenty-seven million, four hundred twenty-one thousand, three hundred seventeen".