28547646132 has 24 divisors (see below), whose sum is σ = 68235838272. Its totient is φ = 9283787200.

The previous prime is 28547646119. The next prime is 28547646187. The reversal of 28547646132 is 23164674582.

It is a super-2 number, since 2×28547646132² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29011344 + ... + 29012327.

It is an arithmetic number, because the mean of its divisors is an integer number (2843159928).

Almost surely, 2^28547646132 is an apocalyptic number.

It is an amenable number.

28547646132 is an abundant number, since it is smaller than the sum of its proper divisors (39688192140).

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

28547646132 is a wasteful number, since it uses less digits than its factorization.

28547646132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58023719 (or 58023717 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 48.

The spelling of 28547646132 in words is "twenty-eight billion, five hundred forty-seven million, six hundred forty-six thousand, one hundred thirty-two".