28052805532 has 12 divisors (see below), whose sum is σ = 49346775856. Its totient is φ = 13953726720.

The previous prime is 28052805523. The next prime is 28052805533. The reversal of 28052805532 is 23550825082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28052805533) 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, 18168144 + ... + 18169687.

Almost surely, 2^28052805532 is an apocalyptic number.

It is an amenable number.

28052805532 is a deficient number, since it is larger than the sum of its proper divisors (21293970324).

28052805532 is a wasteful number, since it uses less digits than its factorization.

28052805532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36338028 (or 36338026 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 28052805532 in words is "twenty-eight billion, fifty-two million, eight hundred five thousand, five hundred thirty-two".