28063024648 has 8 divisors (see below), whose sum is σ = 52618171230. Its totient is φ = 14031512320.

The previous prime is 28063024637. The next prime is 28063024711. The reversal of 28063024648 is 84642036082.

It can be written as a sum of positive squares in only one way, i.e., 20414122884 + 7648901764 = 142878^2 + 87458^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753939033 + ... + 1753939048.

Almost surely, 2^28063024648 is an apocalyptic number.

It is an amenable number.

28063024648 is a deficient number, since it is larger than the sum of its proper divisors (24555146582).

28063024648 is a wasteful number, since it uses less digits than its factorization.

28063024648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507878087 (or 3507878083 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 28063024648 in words is "twenty-eight billion, sixty-three million, twenty-four thousand, six hundred forty-eight".