228768589863 has 18 divisors (see below), whose sum is σ = 363214778472. Its totient is φ = 138647629560.

The previous prime is 228768589813. The next prime is 228768589871. The reversal of 228768589863 is 368985867822.

228768589863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228768589863 - 2⁸ = 228768589607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228768589791 and 228768589800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228768589813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 105034995 + ... + 105037172.

It is an arithmetic number, because the mean of its divisors is an integer number (20178598804).

Almost surely, 2^228768589863 is an apocalyptic number.

228768589863 is a deficient number, since it is larger than the sum of its proper divisors (134446188609).

228768589863 is a wasteful number, since it uses less digits than its factorization.

228768589863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210072195 (or 210072181 counting only the distinct ones).

The product of its digits is 557383680, while the sum is 72.

The spelling of 228768589863 in words is "two hundred twenty-eight billion, seven hundred sixty-eight million, five hundred eighty-nine thousand, eight hundred sixty-three".