28063610528 has 12 divisors (see below), whose sum is σ = 55250233290. Its totient is φ = 14031805248.

The previous prime is 28063610507. The next prime is 28063610539. The reversal of 28063610528 is 82501636082.

It can be written as a sum of positive squares in only one way, i.e., 28045531024 + 18079504 = 167468^2 + 4252^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 438493883 + ... + 438493946.

Almost surely, 2^28063610528 is an apocalyptic number.

It is an amenable number.

28063610528 is a deficient number, since it is larger than the sum of its proper divisors (27186622762).

28063610528 is an equidigital number, since it uses as much as digits as its factorization.

28063610528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876987839 (or 876987831 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 28063610528 in words is "twenty-eight billion, sixty-three million, six hundred ten thousand, five hundred twenty-eight".