28334918584 has 16 divisors (see below), whose sum is σ = 60717682800. Its totient is φ = 12143536512.

The previous prime is 28334918567. The next prime is 28334918587. The reversal of 28334918584 is 48581943382.

It is a super-2 number, since 2×28334918584² (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 (28334918587) 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 3 ways as a sum of consecutive naturals, for example, 252990289 + ... + 252990400.

It is an arithmetic number, because the mean of its divisors is an integer number (3794855175).

Almost surely, 2^28334918584 is an apocalyptic number.

It is an amenable number.

28334918584 is an abundant number, since it is smaller than the sum of its proper divisors (32382764216).

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

28334918584 is a wasteful number, since it uses less digits than its factorization.

28334918584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505980702 (or 505980698 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 55.

The spelling of 28334918584 in words is "twenty-eight billion, three hundred thirty-four million, nine hundred eighteen thousand, five hundred eighty-four".