28268028811752 has 64 divisors (see below), whose sum is σ = 73949509457280. Its totient is φ = 8995028020992.

The previous prime is 28268028811613. The next prime is 28268028811787. The reversal of 28268028811752 is 25711882086282.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300267708 + ... + 300361835.

It is an arithmetic number, because the mean of its divisors is an integer number (1155461085270).

Almost surely, 2^{28268028811752} is an apocalyptic number.

It is an amenable number.

28268028811752 is an abundant number, since it is smaller than the sum of its proper divisors (45681480645528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28268028811752 is a wasteful number, since it uses less digits than its factorization.

28268028811752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600629642 (or 600629638 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 60.

The spelling of 28268028811752 in words is "twenty-eight trillion, two hundred sixty-eight billion, twenty-eight million, eight hundred eleven thousand, seven hundred fifty-two".