28360569122 has 18 divisors (see below), whose sum is σ = 42831834003. Its totient is φ = 14083948032.

The previous prime is 28360569121. The next prime is 28360569151. The reversal of 28360569122 is 22196506382.

It can be written as a sum of positive squares in 5 ways, for example, as 281199361 + 28079369761 = 16769^2 + 167569^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=119081.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28360569121) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 45964958 + ... + 45965574.

Almost surely, 2^28360569122 is an apocalyptic number.

28360569122 is a deficient number, since it is larger than the sum of its proper divisors (14471264881).

28360569122 is an frugal number, since it uses more digits than its factorization.

28360569122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 28360569122 in words is "twenty-eight billion, three hundred sixty million, five hundred sixty-nine thousand, one hundred twenty-two".