28288466845003 has 4 divisors (see below), whose sum is σ = 28686895955568. Its totient is φ = 27890037734440.

The previous prime is 28288466844961. The next prime is 28288466845013. The reversal of 28288466845003 is 30054866488282.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28288466845003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28288466845013) 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 3 ways as a sum of consecutive naturals, for example, 199214555176 + ... + 199214555317.

It is an arithmetic number, because the mean of its divisors is an integer number (7171723988892).

Almost surely, 2^{28288466845003} is an apocalyptic number.

28288466845003 is a deficient number, since it is larger than the sum of its proper divisors (398429110565).

28288466845003 is an equidigital number, since it uses as much as digits as its factorization.

28288466845003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398429110564.

The product of its (nonzero) digits is 141557760, while the sum is 64.

The spelling of 28288466845003 in words is "twenty-eight trillion, two hundred eighty-eight billion, four hundred sixty-six million, eight hundred forty-five thousand, three".