228886487856 has 80 divisors (see below), whose sum is σ = 707526625120. Its totient is φ = 70426609920.

The previous prime is 228886487827. The next prime is 228886487861. The reversal of 228886487856 is 658784688822.

It is a happy number.

228886487856 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (72).

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 15 ways as a sum of consecutive naturals, for example, 20372455 + ... + 20383686.

It is an arithmetic number, because the mean of its divisors is an integer number (8844082814).

Almost surely, 2^228886487856 is an apocalyptic number.

228886487856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

228886487856 is an abundant number, since it is smaller than the sum of its proper divisors (478640137264).

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

228886487856 is a wasteful number, since it uses less digits than its factorization.

228886487856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40756171 (or 40756159 counting only the distinct ones).

The product of its digits is 660602880, while the sum is 72.

The spelling of 228886487856 in words is "two hundred twenty-eight billion, eight hundred eighty-six million, four hundred eighty-seven thousand, eight hundred fifty-six".