26558750879 has 2 divisors, whose sum is σ = 26558750880. Its totient is φ = 26558750878.

The previous prime is 26558750833. The next prime is 26558750927. The reversal of 26558750879 is 97805785562.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26558750879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26558750819) 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, 13279375439 + 13279375440.

It is an arithmetic number, because the mean of its divisors is an integer number (13279375440).

Almost surely, 2^26558750879 is an apocalyptic number.

26558750879 is a deficient number, since it is larger than the sum of its proper divisors (1).

26558750879 is an equidigital number, since it uses as much as digits as its factorization.

26558750879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336000, while the sum is 62.

The spelling of 26558750879 in words is "twenty-six billion, five hundred fifty-eight million, seven hundred fifty thousand, eight hundred seventy-nine".