477455172 has 12 divisors (see below), whose sum is σ = 1114062096. Its totient is φ = 159151720.

The previous prime is 477455129. The next prime is 477455177. The reversal of 477455172 is 271554774.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (477455177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19893954 + ... + 19893977.

It is an arithmetic number, because the mean of its divisors is an integer number (92838508).

Almost surely, 2^477455172 is an apocalyptic number.

It is an amenable number.

477455172 is an abundant number, since it is smaller than the sum of its proper divisors (636606924).

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

477455172 is a wasteful number, since it uses less digits than its factorization.

477455172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39787938 (or 39787936 counting only the distinct ones).

The product of its digits is 274400, while the sum is 42.

The square root of 477455172 is about 21850.7476302300. The cubic root of 477455172 is about 781.5873722243.

The spelling of 477455172 in words is "four hundred seventy-seven million, four hundred fifty-five thousand, one hundred seventy-two".