26831548879 has 2 divisors, whose sum is σ = 26831548880. Its totient is φ = 26831548878.

The previous prime is 26831548789. The next prime is 26831548897. The reversal of 26831548879 is 97884513862.

Together with next prime (26831548897) it forms an Ormiston pair, because they use the same digits, order apart.

Together with previous prime (26831548789) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26831548879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26831548379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13415774439 + 13415774440.

It is an arithmetic number, because the mean of its divisors is an integer number (13415774440).

Almost surely, 2^26831548879 is an apocalyptic number.

26831548879 is a deficient number, since it is larger than the sum of its proper divisors (1).

26831548879 is an equidigital number, since it uses as much as digits as its factorization.

26831548879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23224320, while the sum is 61.

The spelling of 26831548879 in words is "twenty-six billion, eight hundred thirty-one million, five hundred forty-eight thousand, eight hundred seventy-nine".