228887589736806 has 64 divisors (see below), whose sum is σ = 614635206022656. Its totient is φ = 54878143392000.

The previous prime is 228887589736787. The next prime is 228887589736811. The reversal of 228887589736806 is 608637985788822.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19054904895 + ... + 19054916906.

It is an arithmetic number, because the mean of its divisors is an integer number (9603675094104).

Almost surely, 2^{228887589736806} is an apocalyptic number.

228887589736806 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

228887589736806 is an abundant number, since it is smaller than the sum of its proper divisors (385747616285850).

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

228887589736806 is a wasteful number, since it uses less digits than its factorization.

228887589736806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38109821837.

The product of its (nonzero) digits is 31213486080, while the sum is 87.

The spelling of 228887589736806 in words is "two hundred twenty-eight trillion, eight hundred eighty-seven billion, five hundred eighty-nine million, seven hundred thirty-six thousand, eight hundred six".