25772445668 has 12 divisors (see below), whose sum is σ = 47062727040. Its totient is φ = 12325952232.

The previous prime is 25772445659. The next prime is 25772445683. The reversal of 25772445668 is 86654427752.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140067548 + ... + 140067731.

It is an arithmetic number, because the mean of its divisors is an integer number (3921893920).

Almost surely, 2^25772445668 is an apocalyptic number.

It is an amenable number.

25772445668 is a deficient number, since it is larger than the sum of its proper divisors (21290281372).

25772445668 is a wasteful number, since it uses less digits than its factorization.

25772445668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280135306 (or 280135304 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 56.

The spelling of 25772445668 in words is "twenty-five billion, seven hundred seventy-two million, four hundred forty-five thousand, six hundred sixty-eight".