25856908127 has 2 divisors, whose sum is σ = 25856908128. Its totient is φ = 25856908126.

The previous prime is 25856908087. The next prime is 25856908151. The reversal of 25856908127 is 72180965852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25856908127 - 2¹⁶ = 25856842591 is a prime.

It is a super-3 number, since 3×25856908127³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25856908927) 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, 12928454063 + 12928454064.

It is an arithmetic number, because the mean of its divisors is an integer number (12928454064).

Almost surely, 2^25856908127 is an apocalyptic number.

25856908127 is a deficient number, since it is larger than the sum of its proper divisors (1).

25856908127 is an equidigital number, since it uses as much as digits as its factorization.

25856908127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 25856908127 in words is "twenty-five billion, eight hundred fifty-six million, nine hundred eight thousand, one hundred twenty-seven".