228712670784 has 336 divisors, whose sum is σ = 734071054080. Its totient is φ = 67625902080.

The previous prime is 228712670779. The next prime is 228712670807. The reversal of 228712670784 is 487076217822.

It is a self number, because there is not a number n which added to its sum of digits gives 228712670784.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20563977 + ... + 20575095.

It is an arithmetic number, because the mean of its divisors is an integer number (2184735280).

Almost surely, 2^228712670784 is an apocalyptic number.

228712670784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228712670784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367035527040).

228712670784 is an abundant number, since it is smaller than the sum of its proper divisors (505358383296).

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

228712670784 is a wasteful number, since it uses less digits than its factorization.

228712670784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11258 (or 11245 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 54.

The spelling of 228712670784 in words is "two hundred twenty-eight billion, seven hundred twelve million, six hundred seventy thousand, seven hundred eighty-four".