28572538435 has 48 divisors (see below), whose sum is σ = 41784517440. Its totient is φ = 18369792000.

The previous prime is 28572538427. The next prime is 28572538439. The reversal of 28572538435 is 53483527582.

It is not a de Polignac number, because 28572538435 - 2³ = 28572538427 is a prime.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (28572538439) 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 47 ways as a sum of consecutive naturals, for example, 2715685 + ... + 2726185.

It is an arithmetic number, because the mean of its divisors is an integer number (870510780).

Almost surely, 2^28572538435 is an apocalyptic number.

28572538435 is a deficient number, since it is larger than the sum of its proper divisors (13211979005).

28572538435 is a wasteful number, since it uses less digits than its factorization.

28572538435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10816 (or 10799 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 52.

The spelling of 28572538435 in words is "twenty-eight billion, five hundred seventy-two million, five hundred thirty-eight thousand, four hundred thirty-five".