285728334339 has 8 divisors (see below), whose sum is σ = 435395557120. Its totient is φ = 163273333896.

The previous prime is 285728334293. The next prime is 285728334371. The reversal of 285728334339 is 933433827582.

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

It is not a de Polignac number, because 285728334339 - 2²⁴ = 285711557123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285728336339) 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, 6803055559 + ... + 6803055600.

It is an arithmetic number, because the mean of its divisors is an integer number (54424444640).

Almost surely, 2^285728334339 is an apocalyptic number.

285728334339 is a deficient number, since it is larger than the sum of its proper divisors (149667222781).

285728334339 is a wasteful number, since it uses less digits than its factorization.

285728334339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13606111169.

The product of its digits is 26127360, while the sum is 57.

The spelling of 285728334339 in words is "two hundred eighty-five billion, seven hundred twenty-eight million, three hundred thirty-four thousand, three hundred thirty-nine".