28533063500 has 96 divisors (see below), whose sum is σ = 66269653632. Its totient is φ = 10695014400.

The previous prime is 28533063499. The next prime is 28533063509. The reversal of 28533063500 is 536033582.

It is a super-3 number, since 3×28533063500³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (28533063509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1973297 + ... + 1987703.

It is an arithmetic number, because the mean of its divisors is an integer number (690308892).

Almost surely, 2^28533063500 is an apocalyptic number.

28533063500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28533063500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33134826816).

28533063500 is an abundant number, since it is smaller than the sum of its proper divisors (37736590132).

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

28533063500 is a wasteful number, since it uses less digits than its factorization.

28533063500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14676 (or 14664 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 28533063500 in words is "twenty-eight billion, five hundred thirty-three million, sixty-three thousand, five hundred".