28533336572 has 24 divisors (see below), whose sum is σ = 55509025152. Its totient is φ = 12744417600.

The previous prime is 28533336521. The next prime is 28533336577. The reversal of 28533336572 is 27563333582.

It is a super-2 number, since 2×28533336572² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28533336577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8848679 + ... + 8851902.

It is an arithmetic number, because the mean of its divisors is an integer number (2312876048).

Almost surely, 2^28533336572 is an apocalyptic number.

It is an amenable number.

28533336572 is a deficient number, since it is larger than the sum of its proper divisors (26975688580).

28533336572 is a wasteful number, since it uses less digits than its factorization.

28533336572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17700629 (or 17700627 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 47.

The spelling of 28533336572 in words is "twenty-eight billion, five hundred thirty-three million, three hundred thirty-six thousand, five hundred seventy-two".