28504503288270 has 64 divisors (see below), whose sum is σ = 76436656992000. Its totient is φ = 7558736054688.

The previous prime is 28504503288259. The next prime is 28504503288271. The reversal of 28504503288270 is 7288230540582.

28504503288270 is a `hidden beast` number, since 2 + 8 + 5 + 0 + 45 + 0 + 328 + 8 + 270 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28504503288271) 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 31 ways as a sum of consecutive naturals, for example, 294846180 + ... + 294942839.

It is an arithmetic number, because the mean of its divisors is an integer number (1194322765500).

Almost surely, 2^{28504503288270} is an apocalyptic number.

28504503288270 is an abundant number, since it is smaller than the sum of its proper divisors (47932153703730).

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

28504503288270 is a wasteful number, since it uses less digits than its factorization.

28504503288270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589789214 (or 589789208 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 54.

The spelling of 28504503288270 in words is "twenty-eight trillion, five hundred four billion, five hundred three million, two hundred eighty-eight thousand, two hundred seventy".