28885451684 has 12 divisors (see below), whose sum is σ = 52180171008. Its totient is φ = 13976831400.

The previous prime is 28885451677. The next prime is 28885451773. The reversal of 28885451684 is 48615458882.

It is a happy 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, 116473472 + ... + 116473719.

It is an arithmetic number, because the mean of its divisors is an integer number (4348347584).

Almost surely, 2^28885451684 is an apocalyptic number.

It is an amenable number.

28885451684 is a deficient number, since it is larger than the sum of its proper divisors (23294719324).

28885451684 is a wasteful number, since it uses less digits than its factorization.

28885451684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232947226 (or 232947224 counting only the distinct ones).

The product of its digits is 19660800, while the sum is 59.

The spelling of 28885451684 in words is "twenty-eight billion, eight hundred eighty-five million, four hundred fifty-one thousand, six hundred eighty-four".