26272279547 has 2 divisors, whose sum is σ = 26272279548. Its totient is φ = 26272279546.

The previous prime is 26272279489. The next prime is 26272279549. The reversal of 26272279547 is 74597227262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26272279547 - 2⁸ = 26272279291 is a prime.

Together with 26272279549, 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 (26272279549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13136139773 + 13136139774.

It is an arithmetic number, because the mean of its divisors is an integer number (13136139774).

Almost surely, 2^26272279547 is an apocalyptic number.

26272279547 is a deficient number, since it is larger than the sum of its proper divisors (1).

26272279547 is an equidigital number, since it uses as much as digits as its factorization.

26272279547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5927040, while the sum is 53.

The spelling of 26272279547 in words is "twenty-six billion, two hundred seventy-two million, two hundred seventy-nine thousand, five hundred forty-seven".