26311779227 has 2 divisors, whose sum is σ = 26311779228. Its totient is φ = 26311779226.

The previous prime is 26311779217. The next prime is 26311779229. The reversal of 26311779227 is 72297711362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26311779227 - 2⁴ = 26311779211 is a prime.

Together with 26311779229, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26311779229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13155889613 + 13155889614.

It is an arithmetic number, because the mean of its divisors is an integer number (13155889614).

Almost surely, 2^26311779227 is an apocalyptic number.

26311779227 is a deficient number, since it is larger than the sum of its proper divisors (1).

26311779227 is an equidigital number, since it uses as much as digits as its factorization.

26311779227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 444528, while the sum is 47.

The spelling of 26311779227 in words is "twenty-six billion, three hundred eleven million, seven hundred seventy-nine thousand, two hundred twenty-seven".