25927745863 has 2 divisors, whose sum is σ = 25927745864. Its totient is φ = 25927745862.

The previous prime is 25927745791. The next prime is 25927745917. The reversal of 25927745863 is 36854772952.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25927745863 - 2⁹ = 25927745351 is a prime.

It is a super-3 number, since 3×25927745863³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 25927745798 and 25927745807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25927845863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12963872931 + 12963872932.

It is an arithmetic number, because the mean of its divisors is an integer number (12963872932).

Almost surely, 2^25927745863 is an apocalyptic number.

25927745863 is a deficient number, since it is larger than the sum of its proper divisors (1).

25927745863 is an equidigital number, since it uses as much as digits as its factorization.

25927745863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25401600, while the sum is 58.

The spelling of 25927745863 in words is "twenty-five billion, nine hundred twenty-seven million, seven hundred forty-five thousand, eight hundred sixty-three".