28063620484 has 9 divisors (see below), whose sum is σ = 49111922181. Its totient is φ = 14031642720.

The previous prime is 28063620457. The next prime is 28063620527. The reversal of 28063620484 is 48402636082.

The square root of 28063620484 is 167522.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8953322884 + 19110297600 = 94622^2 + 138240^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28063620484.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 293164 + ... + 376924.

Almost surely, 2^28063620484 is an apocalyptic number.

28063620484 is the 167522-nd square number.

It is an amenable number.

28063620484 is a deficient number, since it is larger than the sum of its proper divisors (21048301697).

28063620484 is an frugal number, since it uses more digits than its factorization.

28063620484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167526 (or 83763 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 28063620484 in words is "twenty-eight billion, sixty-three million, six hundred twenty thousand, four hundred eighty-four".