28053327528 has 24 divisors (see below), whose sum is σ = 75977762250. Its totient is φ = 9351109152.

The previous prime is 28053327521. The next prime is 28053327559. The reversal of 28053327528 is 82572335082.

28053327528 is a `hidden beast` number, since 28 + 0 + 533 + 2 + 75 + 28 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27270559044 + 782768484 = 165138^2 + 27978^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (28053327521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 194814703 + ... + 194814846.

Almost surely, 2^28053327528 is an apocalyptic number.

It is an amenable number.

28053327528 is an abundant number, since it is smaller than the sum of its proper divisors (47924434722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28053327528 is a wasteful number, since it uses less digits than its factorization.

28053327528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389629561 (or 389629554 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

It can be divided in two parts, 2805 and 3327528, that added together give a palindrome (3330333).

The spelling of 28053327528 in words is "twenty-eight billion, fifty-three million, three hundred twenty-seven thousand, five hundred twenty-eight".