28663384746 has 16 divisors (see below), whose sum is σ = 57366791424. Its totient is φ = 9547791264.

The previous prime is 28663384727. The next prime is 28663384747. The reversal of 28663384746 is 64748336682.

28663384746 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (28663384747) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1658266 + ... + 1675461.

It is an arithmetic number, because the mean of its divisors is an integer number (3585424464).

Almost surely, 2^28663384746 is an apocalyptic number.

28663384746 is an abundant number, since it is smaller than the sum of its proper divisors (28703406678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28663384746 is a wasteful number, since it uses less digits than its factorization.

28663384746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335165.

The product of its digits is 27869184, while the sum is 57.

The spelling of 28663384746 in words is "twenty-eight billion, six hundred sixty-three million, three hundred eighty-four thousand, seven hundred forty-six".