25850802872 has 16 divisors (see below), whose sum is σ = 48492250560. Its totient is φ = 12919536064.

The previous prime is 25850802799. The next prime is 25850802899. The reversal of 25850802872 is 27820805852.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 714413 + ... + 749724.

It is an arithmetic number, because the mean of its divisors is an integer number (3030765660).

Almost surely, 2^25850802872 is an apocalyptic number.

It is an amenable number.

25850802872 is a deficient number, since it is larger than the sum of its proper divisors (22641447688).

25850802872 is a wasteful number, since it uses less digits than its factorization.

25850802872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466350 (or 1466346 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 47.

The spelling of 25850802872 in words is "twenty-five billion, eight hundred fifty million, eight hundred two thousand, eight hundred seventy-two".