228643876067900 has 72 divisors (see below), whose sum is σ = 552992557304880. Its totient is φ = 81547289533440.

The previous prime is 228643876067837. The next prime is 228643876067909. The reversal of 228643876067900 is 9760678346822.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228643876067909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3539346587 + ... + 3539411186.

It is an arithmetic number, because the mean of its divisors is an integer number (7680452184790).

Almost surely, 2^{228643876067900} is an apocalyptic number.

228643876067900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228643876067900 is an abundant number, since it is smaller than the sum of its proper divisors (324348681236980).

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

228643876067900 is a wasteful number, since it uses less digits than its factorization.

228643876067900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7078757823 (or 7078757816 counting only the distinct ones).

The product of its (nonzero) digits is 292626432, while the sum is 68.

The spelling of 228643876067900 in words is "two hundred twenty-eight trillion, six hundred forty-three billion, eight hundred seventy-six million, sixty-seven thousand, nine hundred".