28107303332 has 24 divisors (see below), whose sum is σ = 49686731640. Its totient is φ = 13911161600.

The previous prime is 28107303251. The next prime is 28107303349. The reversal of 28107303332 is 23330370182.

It can be written as a sum of positive squares in 4 ways, for example, as 16562660416 + 11544642916 = 128696^2 + 107446^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 3129344 + ... + 3138312.

It is an arithmetic number, because the mean of its divisors is an integer number (2070280485).

Almost surely, 2^28107303332 is an apocalyptic number.

It is an amenable number.

28107303332 is a deficient number, since it is larger than the sum of its proper divisors (21579428308).

28107303332 is a wasteful number, since it uses less digits than its factorization.

28107303332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16831 (or 16829 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 28107303332 in words is "twenty-eight billion, one hundred seven million, three hundred three thousand, three hundred thirty-two".