25850660872 has 16 divisors (see below), whose sum is σ = 48585675600. Its totient is φ = 12894480720.

The previous prime is 25850660861. The next prime is 25850660909. The reversal of 25850660872 is 27806605852.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3852654 + ... + 3859357.

It is an arithmetic number, because the mean of its divisors is an integer number (3036604725).

Almost surely, 2^25850660872 is an apocalyptic number.

It is an amenable number.

25850660872 is a deficient number, since it is larger than the sum of its proper divisors (22735014728).

25850660872 is a wasteful number, since it uses less digits than its factorization.

25850660872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7712436 (or 7712432 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 25850660872 in words is "twenty-five billion, eight hundred fifty million, six hundred sixty thousand, eight hundred seventy-two".