28285286315 has 16 divisors (see below), whose sum is σ = 39876320736. Its totient is φ = 18988723200.

The previous prime is 28285286303. The next prime is 28285286317. The reversal of 28285286315 is 51368258282.

It is not a de Polignac number, because 28285286315 - 2²² = 28281092011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28285286317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19779206 + ... + 19780635.

It is an arithmetic number, because the mean of its divisors is an integer number (2492270046).

Almost surely, 2^28285286315 is an apocalyptic number.

28285286315 is a deficient number, since it is larger than the sum of its proper divisors (11591034421).

28285286315 is a wasteful number, since it uses less digits than its factorization.

28285286315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39559870.

The product of its digits is 1843200, while the sum is 50.

The spelling of 28285286315 in words is "twenty-eight billion, two hundred eighty-five million, two hundred eighty-six thousand, three hundred fifteen".