28784119484 has 6 divisors (see below), whose sum is σ = 50372209104. Its totient is φ = 14392059740.

The previous prime is 28784119451. The next prime is 28784119561. The reversal of 28784119484 is 48491148782.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3598014932 + ... + 3598014939.

It is an arithmetic number, because the mean of its divisors is an integer number (8395368184).

Almost surely, 2^28784119484 is an apocalyptic number.

It is an amenable number.

28784119484 is a deficient number, since it is larger than the sum of its proper divisors (21588089620).

28784119484 is a wasteful number, since it uses less digits than its factorization.

28784119484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7196029875 (or 7196029873 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 56.

The spelling of 28784119484 in words is "twenty-eight billion, seven hundred eighty-four million, one hundred nineteen thousand, four hundred eighty-four".