477618380 has 24 divisors (see below), whose sum is σ = 1012205040. Its totient is φ = 189293760.

The previous prime is 477618347. The next prime is 477618403. The reversal of 477618380 is 83816774.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107366 + ... + 111725.

It is an arithmetic number, because the mean of its divisors is an integer number (42175210).

Almost surely, 2^477618380 is an apocalyptic number.

It is an amenable number.

477618380 is an abundant number, since it is smaller than the sum of its proper divisors (534586660).

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

477618380 is a wasteful number, since it uses less digits than its factorization.

477618380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219209 (or 219207 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 477618380 is about 21854.4819201920. The cubic root of 477618380 is about 781.6764184758.

The spelling of 477618380 in words is "four hundred seventy-seven million, six hundred eighteen thousand, three hundred eighty".