28887153784204 has 12 divisors (see below), whose sum is σ = 51785507393928. Its totient is φ = 14091294528800.

The previous prime is 28887153784171. The next prime is 28887153784277. The reversal of 28887153784204 is 40248735178882.

It is a self number, because there is not a number n which added to its sum of digits gives 28887153784204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88070590642 + ... + 88070590969.

It is an arithmetic number, because the mean of its divisors is an integer number (4315458949494).

Almost surely, 2^{28887153784204} is an apocalyptic number.

It is an amenable number.

28887153784204 is a deficient number, since it is larger than the sum of its proper divisors (22898353609724).

28887153784204 is a wasteful number, since it uses less digits than its factorization.

28887153784204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176141181656 (or 176141181654 counting only the distinct ones).

The product of its (nonzero) digits is 192675840, while the sum is 67.

The spelling of 28887153784204 in words is "twenty-eight trillion, eight hundred eighty-seven billion, one hundred fifty-three million, seven hundred eighty-four thousand, two hundred four".