28285122327 has 32 divisors (see below), whose sum is σ = 47816386560. Its totient is φ = 14444519520.

The previous prime is 28285122319. The next prime is 28285122347. The reversal of 28285122327 is 72322158282.

It is not a de Polignac number, because 28285122327 - 2³ = 28285122319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28285122347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1024053 + ... + 1051310.

It is an arithmetic number, because the mean of its divisors is an integer number (1494262080).

Almost surely, 2^28285122327 is an apocalyptic number.

28285122327 is a deficient number, since it is larger than the sum of its proper divisors (19531264233).

28285122327 is a wasteful number, since it uses less digits than its factorization.

28285122327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075443.

The product of its digits is 215040, while the sum is 42.

The spelling of 28285122327 in words is "twenty-eight billion, two hundred eighty-five million, one hundred twenty-two thousand, three hundred twenty-seven".