28568528312 has 16 divisors (see below), whose sum is σ = 53600505840. Its totient is φ = 14275060096.

The previous prime is 28568528311. The next prime is 28568528333. The reversal of 28568528312 is 21382586582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28568528311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137308 + ... + 1162155.

It is an arithmetic number, because the mean of its divisors is an integer number (3350031615).

Almost surely, 2^28568528312 is an apocalyptic number.

It is an amenable number.

28568528312 is a deficient number, since it is larger than the sum of its proper divisors (25031977528).

28568528312 is a wasteful number, since it uses less digits than its factorization.

28568528312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301022 (or 2301018 counting only the distinct ones).

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

The spelling of 28568528312 in words is "twenty-eight billion, five hundred sixty-eight million, five hundred twenty-eight thousand, three hundred twelve".