477324921 has 4 divisors (see below), whose sum is σ = 636433232. Its totient is φ = 318216612.

The previous prime is 477324907. The next prime is 477324923. The reversal of 477324921 is 129423774.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 477324921 - 2¹⁸ = 477062777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 477324921.

It is not an unprimeable number, because it can be changed into a prime (477324923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79554151 + ... + 79554156.

It is an arithmetic number, because the mean of its divisors is an integer number (159108308).

Almost surely, 2^477324921 is an apocalyptic number.

It is an amenable number.

477324921 is a deficient number, since it is larger than the sum of its proper divisors (159108311).

477324921 is a wasteful number, since it uses less digits than its factorization.

477324921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159108310.

The product of its digits is 84672, while the sum is 39.

The square root of 477324921 is about 21847.7669568311. The cubic root of 477324921 is about 781.5162927447.

The spelling of 477324921 in words is "four hundred seventy-seven million, three hundred twenty-four thousand, nine hundred twenty-one".