28381284814 has 16 divisors (see below), whose sum is σ = 45079326576. Its totient is φ = 13354960000.

The previous prime is 28381284803. The next prime is 28381284821. The reversal of 28381284814 is 41848218382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807324 + ... + 841744.

It is an arithmetic number, because the mean of its divisors is an integer number (2817457911).

Almost surely, 2^28381284814 is an apocalyptic number.

28381284814 is a deficient number, since it is larger than the sum of its proper divisors (16698041762).

28381284814 is a wasteful number, since it uses less digits than its factorization.

28381284814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58691.

The product of its digits is 786432, while the sum is 49.

The spelling of 28381284814 in words is "twenty-eight billion, three hundred eighty-one million, two hundred eighty-four thousand, eight hundred fourteen".