28812955984 has 40 divisors (see below), whose sum is σ = 57875795712. Its totient is φ = 13885735680.

The previous prime is 28812955981. The next prime is 28812955993. The reversal of 28812955984 is 48955921882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28812955981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210144 + ... + 319039.

Almost surely, 2^28812955984 is an apocalyptic number.

It is an amenable number.

28812955984 is an abundant number, since it is smaller than the sum of its proper divisors (29062839728).

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

28812955984 is a wasteful number, since it uses less digits than its factorization.

28812955984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529315 (or 529309 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 61.

The spelling of 28812955984 in words is "twenty-eight billion, eight hundred twelve million, nine hundred fifty-five thousand, nine hundred eighty-four".