28384795813 has 8 divisors (see below), whose sum is σ = 31720481856. Its totient is φ = 25174984800.

The previous prime is 28384795801. The next prime is 28384795843. The reversal of 28384795813 is 31859748382.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28384795813 - 2¹³ = 28384787621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28384795843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31468281 + ... + 31469182.

It is an arithmetic number, because the mean of its divisors is an integer number (3965060232).

Almost surely, 2^28384795813 is an apocalyptic number.

It is an amenable number.

28384795813 is a deficient number, since it is larger than the sum of its proper divisors (3335686043).

28384795813 is a wasteful number, since it uses less digits than its factorization.

28384795813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62937515.

The product of its digits is 11612160, while the sum is 58.

The spelling of 28384795813 in words is "twenty-eight billion, three hundred eighty-four million, seven hundred ninety-five thousand, eight hundred thirteen".