228627808778 has 8 divisors (see below), whose sum is σ = 363114755172. Its totient is φ = 107589557056.

The previous prime is 228627808769. The next prime is 228627808807. The reversal of 228627808778 is 877808726822.

It can be written as a sum of positive squares in 2 ways, for example, as 225831197089 + 2796611689 = 475217^2 + 52883^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 3362173625 + ... + 3362173692.

Almost surely, 2^228627808778 is an apocalyptic number.

228627808778 is a deficient number, since it is larger than the sum of its proper divisors (134486946394).

228627808778 is a wasteful number, since it uses less digits than its factorization.

228627808778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6724347336.

The product of its (nonzero) digits is 67436544, while the sum is 65.

The spelling of 228627808778 in words is "two hundred twenty-eight billion, six hundred twenty-seven million, eight hundred eight thousand, seven hundred seventy-eight".