28942827584 has 112 divisors (see below), whose sum is σ = 66974898816. Its totient is φ = 12276633600.

The previous prime is 28942827553. The next prime is 28942827593. The reversal of 28942827584 is 48572824982.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642074 + ... + 685670.

It is an arithmetic number, because the mean of its divisors is an integer number (597990168).

Almost surely, 2^28942827584 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 28942827584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33487449408).

28942827584 is an abundant number, since it is smaller than the sum of its proper divisors (38032071232).

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

28942827584 is a wasteful number, since it uses less digits than its factorization.

28942827584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43684 (or 43674 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 59.

The spelling of 28942827584 in words is "twenty-eight billion, nine hundred forty-two million, eight hundred twenty-seven thousand, five hundred eighty-four".