227778628608 has 176 divisors, whose sum is σ = 684643877760. Its totient is φ = 74792374272.

The previous prime is 227778628573. The next prime is 227778628613. The reversal of 227778628608 is 806826877722.

227778628608 is a `hidden beast` number, since 2 + 277 + 7 + 86 + 286 + 0 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1790935 + ... + 1913897.

Almost surely, 2^227778628608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227778628608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342321938880).

227778628608 is an abundant number, since it is smaller than the sum of its proper divisors (456865249152).

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

227778628608 is a wasteful number, since it uses less digits than its factorization.

227778628608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123059 (or 123035 counting only the distinct ones).

The product of its (nonzero) digits is 50577408, while the sum is 63.

The spelling of 227778628608 in words is "two hundred twenty-seven billion, seven hundred seventy-eight million, six hundred twenty-eight thousand, six hundred eight".