228563763276 has 12 divisors (see below), whose sum is σ = 533315447672. Its totient is φ = 76187921088.

The previous prime is 228563763227. The next prime is 228563763283. The reversal of 228563763276 is 672367365822.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9523490125 + ... + 9523490148.

Almost surely, 2^228563763276 is an apocalyptic number.

It is an amenable number.

228563763276 is an abundant number, since it is smaller than the sum of its proper divisors (304751684396).

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

228563763276 is a wasteful number, since it uses less digits than its factorization.

228563763276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19046980280 (or 19046980278 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 57.

The spelling of 228563763276 in words is "two hundred twenty-eight billion, five hundred sixty-three million, seven hundred sixty-three thousand, two hundred seventy-six".