26095859857 has 2 divisors, whose sum is σ = 26095859858. Its totient is φ = 26095859856.

The previous prime is 26095859849. The next prime is 26095859893. The reversal of 26095859857 is 75895859062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23494451841 + 2601408016 = 153279^2 + 51004^2 .

It is a cyclic number.

It is not a de Polignac number, because 26095859857 - 2³ = 26095859849 is a prime.

It is not a weakly prime, because it can be changed into another prime (26095859807) 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, 13047929928 + 13047929929.

It is an arithmetic number, because the mean of its divisors is an integer number (13047929929).

Almost surely, 2^26095859857 is an apocalyptic number.

It is an amenable number.

26095859857 is a deficient number, since it is larger than the sum of its proper divisors (1).

26095859857 is an equidigital number, since it uses as much as digits as its factorization.

26095859857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432000, while the sum is 64.

The spelling of 26095859857 in words is "twenty-six billion, ninety-five million, eight hundred fifty-nine thousand, eight hundred fifty-seven".