282728082391 has 4 divisors (see below), whose sum is σ = 297608507800. Its totient is φ = 267847656984.

The previous prime is 282728082341. The next prime is 282728082431. The reversal of 282728082391 is 193280827282.

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

It is a cyclic number.

It is not a de Polignac number, because 282728082391 - 2¹⁹ = 282727558103 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 (282728082341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7440212676 + ... + 7440212713.

It is an arithmetic number, because the mean of its divisors is an integer number (74402126950).

Almost surely, 2^282728082391 is an apocalyptic number.

282728082391 is a deficient number, since it is larger than the sum of its proper divisors (14880425409).

282728082391 is a wasteful number, since it uses less digits than its factorization.

282728082391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14880425408.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 282728082391 in words is "two hundred eighty-two billion, seven hundred twenty-eight million, eighty-two thousand, three hundred ninety-one".