28500383000 has 64 divisors (see below), whose sum is σ = 66716507520. Its totient is φ = 11395776000.

The previous prime is 28500382991. The next prime is 28500383003. The reversal of 28500383000 is 38300582.

It is a super-2 number, since 2×28500383000² (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 (28500383003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4267664 + ... + 4274336.

It is an arithmetic number, because the mean of its divisors is an integer number (1042445430).

Almost surely, 2^28500383000 is an apocalyptic number.

28500383000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28500383000 is an abundant number, since it is smaller than the sum of its proper divisors (38216124520).

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

28500383000 is a wasteful number, since it uses less digits than its factorization.

28500383000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10965 (or 10951 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 28500383000 its reverse (38300582), we get a palindrome (28538683582).

The spelling of 28500383000 in words is "twenty-eight billion, five hundred million, three hundred eighty-three thousand".