28284078832 has 20 divisors (see below), whose sum is σ = 57684635080. Its totient is φ = 13397721408.

The previous prime is 28284078829. The next prime is 28284078847. The reversal of 28284078832 is 23887048282.

It is a self number, because there is not a number n which added to its sum of digits gives 28284078832.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46519563 + ... + 46520170.

It is an arithmetic number, because the mean of its divisors is an integer number (2884231754).

Almost surely, 2^28284078832 is an apocalyptic number.

It is an amenable number.

28284078832 is an abundant number, since it is smaller than the sum of its proper divisors (29400556248).

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

28284078832 is a wasteful number, since it uses less digits than its factorization.

28284078832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93039760 (or 93039754 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 52.

The spelling of 28284078832 in words is "twenty-eight billion, two hundred eighty-four million, seventy-eight thousand, eight hundred thirty-two".