28827493272 has 384 divisors, whose sum is σ = 88484659200. Its totient is φ = 8687347200.

The previous prime is 28827493259. The next prime is 28827493273. The reversal of 28827493272 is 27239472882.

28827493272 is a `hidden beast` number, since 2 + 8 + 82 + 7 + 493 + 2 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28827493273) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 226988073 + ... + 226988199.

It is an arithmetic number, because the mean of its divisors is an integer number (230428800).

Almost surely, 2^28827493272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28827493272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44242329600).

28827493272 is an abundant number, since it is smaller than the sum of its proper divisors (59657165928).

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

28827493272 is a wasteful number, since it uses less digits than its factorization.

28827493272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 263 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The spelling of 28827493272 in words is "twenty-eight billion, eight hundred twenty-seven million, four hundred ninety-three thousand, two hundred seventy-two".