28581804676 has 24 divisors (see below), whose sum is σ = 54192045600. Its totient is φ = 13137462912.

The previous prime is 28581804613. The next prime is 28581804707. The reversal of 28581804676 is 67640818582.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4884526 + ... + 4890373.

It is an arithmetic number, because the mean of its divisors is an integer number (2258001900).

Almost surely, 2^28581804676 is an apocalyptic number.

It is an amenable number.

28581804676 is a deficient number, since it is larger than the sum of its proper divisors (25610240924).

28581804676 is a wasteful number, since it uses less digits than its factorization.

28581804676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9774963 (or 9774961 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 28581804676 in words is "twenty-eight billion, five hundred eighty-one million, eight hundred four thousand, six hundred seventy-six".