477681228 has 36 divisors (see below), whose sum is σ = 1227943080. Its totient is φ = 156527616.

The previous prime is 477681221. The next prime is 477681251. The reversal of 477681228 is 822186774.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (477681221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110325 + ... + 114572.

It is an arithmetic number, because the mean of its divisors is an integer number (34109530).

Almost surely, 2^477681228 is an apocalyptic number.

It is an amenable number.

477681228 is an abundant number, since it is smaller than the sum of its proper divisors (750261852).

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

477681228 is a wasteful number, since it uses less digits than its factorization.

477681228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224966 (or 224961 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 477681228 is about 21855.9197472904. The cubic root of 477681228 is about 781.7107029219.

The spelling of 477681228 in words is "four hundred seventy-seven million, six hundred eighty-one thousand, two hundred twenty-eight".