25988262897 has 16 divisors (see below), whose sum is σ = 34811719488. Its totient is φ = 17245209600.

The previous prime is 25988262889. The next prime is 25988262931. The reversal of 25988262897 is 79826288952.

It is not a de Polignac number, because 25988262897 - 2³ = 25988262889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25988262847) 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 in 15 ways as a sum of consecutive naturals, for example, 3107073 + ... + 3115425.

It is an arithmetic number, because the mean of its divisors is an integer number (2175732468).

Almost surely, 2^25988262897 is an apocalyptic number.

It is an amenable number.

25988262897 is a deficient number, since it is larger than the sum of its proper divisors (8823456591).

25988262897 is a wasteful number, since it uses less digits than its factorization.

25988262897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13040.

The product of its digits is 69672960, while the sum is 66.

The spelling of 25988262897 in words is "twenty-five billion, nine hundred eighty-eight million, two hundred sixty-two thousand, eight hundred ninety-seven".