28063144888 has 8 divisors (see below), whose sum is σ = 52618396680. Its totient is φ = 14031572440.

The previous prime is 28063144861. The next prime is 28063144891. The reversal of 28063144888 is 88844136082.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753946548 + ... + 1753946563.

It is an arithmetic number, because the mean of its divisors is an integer number (6577299585).

Almost surely, 2^28063144888 is an apocalyptic number.

It is an amenable number.

28063144888 is a deficient number, since it is larger than the sum of its proper divisors (24555251792).

28063144888 is a wasteful number, since it uses less digits than its factorization.

28063144888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507893117 (or 3507893113 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 52.

The spelling of 28063144888 in words is "twenty-eight billion, sixty-three million, one hundred forty-four thousand, eight hundred eighty-eight".