28630518084 has 36 divisors (see below), whose sum is σ = 82710386304. Its totient is φ = 8180147952.

The previous prime is 28630518061. The next prime is 28630518101. The reversal of 28630518084 is 48081503682.

28630518084 is a `hidden beast` number, since 2 + 8 + 630 + 5 + 1 + 8 + 0 + 8 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56806332 + ... + 56806835.

Almost surely, 2^28630518084 is an apocalyptic number.

It is an amenable number.

28630518084 is an abundant number, since it is smaller than the sum of its proper divisors (54079868220).

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

28630518084 is a wasteful number, since it uses less digits than its factorization.

28630518084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113613184 (or 113613179 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 28630518084 in words is "twenty-eight billion, six hundred thirty million, five hundred eighteen thousand, eighty-four".