477721616 has 40 divisors (see below), whose sum is σ = 938672064. Its totient is φ = 235506560.

The previous prime is 477721609. The next prime is 477721631. The reversal of 477721616 is 616127774.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449726 + ... + 450786.

Almost surely, 2^477721616 is an apocalyptic number.

It is an amenable number.

477721616 is a deficient number, since it is larger than the sum of its proper divisors (460950448).

477721616 is a wasteful number, since it uses less digits than its factorization.

477721616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439 (or 1433 counting only the distinct ones).

The product of its digits is 98784, while the sum is 41.

The square root of 477721616 is about 21856.8436879619. The cubic root of 477721616 is about 781.7327335428.

The spelling of 477721616 in words is "four hundred seventy-seven million, seven hundred twenty-one thousand, six hundred sixteen".