25797898181728 has 24 divisors (see below), whose sum is σ = 51160339149192. Its totient is φ = 12804796175616.

The previous prime is 25797898181707. The next prime is 25797898181729. The reversal of 25797898181728 is 82718189879752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25797898181729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2942274150 + ... + 2942282917.

It is an arithmetic number, because the mean of its divisors is an integer number (2131680797883).

Almost surely, 2^{25797898181728} is an apocalyptic number.

It is an amenable number.

25797898181728 is a deficient number, since it is larger than the sum of its proper divisors (25362440967464).

25797898181728 is a wasteful number, since it uses less digits than its factorization.

25797898181728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5884557214 (or 5884557206 counting only the distinct ones).

The product of its digits is 2275983360, while the sum is 82.

The spelling of 25797898181728 in words is "twenty-five trillion, seven hundred ninety-seven billion, eight hundred ninety-eight million, one hundred eighty-one thousand, seven hundred twenty-eight".