227476897728 has 112 divisors (see below), whose sum is σ = 646246128384. Its totient is φ = 70360084480.

The previous prime is 227476897727. The next prime is 227476897741. The reversal of 227476897728 is 827798674722.

It is a happy number.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227476897727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259050 + ... + 722537.

Almost surely, 2^227476897728 is an apocalyptic number.

It is an amenable number.

227476897728 is an abundant number, since it is smaller than the sum of its proper divisors (418769230656).

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

227476897728 is a wasteful number, since it uses less digits than its factorization.

227476897728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981690 (or 981680 counting only the distinct ones).

The product of its digits is 265531392, while the sum is 69.

The spelling of 227476897728 in words is "two hundred twenty-seven billion, four hundred seventy-six million, eight hundred ninety-seven thousand, seven hundred twenty-eight".