28836855988002 has 24 divisors (see below), whose sum is σ = 62574377895900. Its totient is φ = 9597743290080.

The previous prime is 28836855987991. The next prime is 28836855988009. The reversal of 28836855988002 is 20088955863882.

28836855988002 is a `hidden beast` number, since 2 + 8 + 8 + 3 + 68 + 559 + 8 + 8 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27211361035401 + 1625494952601 = 5216451^2 + 1274949^2 .

It is not an unprimeable number, because it can be changed into a prime (28836855988009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1211824377 + ... + 1211848172.

Almost surely, 2^{28836855988002} is an apocalyptic number.

28836855988002 is an abundant number, since it is smaller than the sum of its proper divisors (33737521907898).

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

28836855988002 is a wasteful number, since it uses less digits than its factorization.

28836855988002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423673218 (or 2423673215 counting only the distinct ones).

The product of its (nonzero) digits is 530841600, while the sum is 72.

The spelling of 28836855988002 in words is "twenty-eight trillion, eight hundred thirty-six billion, eight hundred fifty-five million, nine hundred eighty-eight thousand, two".