28435744805 has 48 divisors (see below), whose sum is σ = 37542113280. Its totient is φ = 20664094464.

The previous prime is 28435744781. The next prime is 28435744829. The reversal of 28435744805 is 50844753482.

It is an interprime number because it is at equal distance from previous prime (28435744781) and next prime (28435744829).

It is not a de Polignac number, because 28435744805 - 2⁸ = 28435744549 is a prime.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

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 47 ways as a sum of consecutive naturals, for example, 22232156 + ... + 22233434.

It is an arithmetic number, because the mean of its divisors is an integer number (782127360).

Almost surely, 2^28435744805 is an apocalyptic number.

It is an amenable number.

28435744805 is a deficient number, since it is larger than the sum of its proper divisors (9106368475).

28435744805 is a wasteful number, since it uses less digits than its factorization.

28435744805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710 (or 1697 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 50.

The spelling of 28435744805 in words is "twenty-eight billion, four hundred thirty-five million, seven hundred forty-four thousand, eight hundred five".