28894449882 has 16 divisors (see below), whose sum is σ = 58651421472. Its totient is φ = 9487729680.

The previous prime is 28894449877. The next prime is 28894449911.

28894449882 is nontrivially palindromic in base 10.

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 7 ways as a sum of consecutive naturals, for example, 35937969 + ... + 35938772.

It is an arithmetic number, because the mean of its divisors is an integer number (3665713842).

Almost surely, 2^28894449882 is an apocalyptic number.

28894449882 is an abundant number, since it is smaller than the sum of its proper divisors (29756971590).

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

28894449882 is a wasteful number, since it uses less digits than its factorization.

28894449882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71876813.

The product of its digits is 84934656, while the sum is 66.

The spelling of 28894449882 in words is "twenty-eight billion, eight hundred ninety-four million, four hundred forty-nine thousand, eight hundred eighty-two".