228728872712 has 16 divisors (see below), whose sum is σ = 432874737360. Its totient is φ = 113295609424.

The previous prime is 228728872681. The next prime is 228728872727. The reversal of 228728872712 is 217278827822.

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 3 ways as a sum of consecutive naturals, for example, 133602458 + ... + 133604169.

It is an arithmetic number, because the mean of its divisors is an integer number (27054671085).

Almost surely, 2^228728872712 is an apocalyptic number.

It is an amenable number.

228728872712 is a deficient number, since it is larger than the sum of its proper divisors (204145864648).

228728872712 is a wasteful number, since it uses less digits than its factorization.

228728872712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267206740 (or 267206736 counting only the distinct ones).

The product of its digits is 5619712, while the sum is 56.

The spelling of 228728872712 in words is "two hundred twenty-eight billion, seven hundred twenty-eight million, eight hundred seventy-two thousand, seven hundred twelve".