25328880287 has 2 divisors, whose sum is σ = 25328880288. Its totient is φ = 25328880286.

The previous prime is 25328880229. The next prime is 25328880289. The reversal of 25328880287 is 78208882352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25328880287 - 2²² = 25324685983 is a prime.

Together with 25328880289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25328880289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12664440143 + 12664440144.

It is an arithmetic number, because the mean of its divisors is an integer number (12664440144).

Almost surely, 2^25328880287 is an apocalyptic number.

25328880287 is a deficient number, since it is larger than the sum of its proper divisors (1).

25328880287 is an equidigital number, since it uses as much as digits as its factorization.

25328880287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3440640, while the sum is 53.

The spelling of 25328880287 in words is "twenty-five billion, three hundred twenty-eight million, eight hundred eighty thousand, two hundred eighty-seven".