228781726000378 has 8 divisors (see below), whose sum is σ = 343172692109268. Its totient is φ = 114390828630624.

The previous prime is 228781726000351. The next prime is 228781726000381. The reversal of 228781726000378 is 873000627187822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 221934225066849 + 6847500933529 = 14897457^2 + 2616773^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×228781726000378² (a number of 30 digits) contains 22 as substring.

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, 7850001 + ... + 22785652.

Almost surely, 2^{228781726000378} is an apocalyptic number.

228781726000378 is a deficient number, since it is larger than the sum of its proper divisors (114390966108890).

228781726000378 is a wasteful number, since it uses less digits than its factorization.

228781726000378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34369568.

The product of its (nonzero) digits is 25288704, while the sum is 61.

The spelling of 228781726000378 in words is "two hundred twenty-eight trillion, seven hundred eighty-one billion, seven hundred twenty-six million, three hundred seventy-eight", and thus it is an aban number.