28321383532 has 48 divisors (see below), whose sum is σ = 54711518400. Its totient is φ = 12744483840.

The previous prime is 28321383479. The next prime is 28321383553. The reversal of 28321383532 is 23538312382.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4450569 + ... + 4456927.

It is an arithmetic number, because the mean of its divisors is an integer number (1139823300).

Almost surely, 2^28321383532 is an apocalyptic number.

It is an amenable number.

28321383532 is a deficient number, since it is larger than the sum of its proper divisors (26390134868).

28321383532 is a wasteful number, since it uses less digits than its factorization.

28321383532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8506 (or 8504 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The spelling of 28321383532 in words is "twenty-eight billion, three hundred twenty-one million, three hundred eighty-three thousand, five hundred thirty-two".