28441563878 has 64 divisors (see below), whose sum is σ = 54432000000. Its totient is φ = 10840846464.

The previous prime is 28441563853. The next prime is 28441563883. The reversal of 28441563878 is 87836514482.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2628323 + ... + 2639121.

It is an arithmetic number, because the mean of its divisors is an integer number (850500000).

Almost surely, 2^28441563878 is an apocalyptic number.

28441563878 is a deficient number, since it is larger than the sum of its proper divisors (25990436122).

28441563878 is a wasteful number, since it uses less digits than its factorization.

28441563878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11349.

The product of its digits is 10321920, while the sum is 56.

The spelling of 28441563878 in words is "twenty-eight billion, four hundred forty-one million, five hundred sixty-three thousand, eight hundred seventy-eight".