25680388862 has 8 divisors (see below), whose sum is σ = 39095517576. Its totient is φ = 12648549672.

The previous prime is 25680388859. The next prime is 25680388901. The reversal of 25680388862 is 26888308652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 25680388798 and 25680388807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95822213 + ... + 95822480.

It is an arithmetic number, because the mean of its divisors is an integer number (4886939697).

Almost surely, 2^25680388862 is an apocalyptic number.

25680388862 is a deficient number, since it is larger than the sum of its proper divisors (13415128714).

25680388862 is a wasteful number, since it uses less digits than its factorization.

25680388862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191644762.

The product of its (nonzero) digits is 8847360, while the sum is 56.

The spelling of 25680388862 in words is "twenty-five billion, six hundred eighty million, three hundred eighty-eight thousand, eight hundred sixty-two".