477930820 has 24 divisors (see below), whose sum is σ = 1017793728. Its totient is φ = 188479200.

The previous prime is 477930799. The next prime is 477930829. The reversal of 477930820 is 28039774.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (477930829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166866 + ... + 169705.

It is an arithmetic number, because the mean of its divisors is an integer number (42408072).

Almost surely, 2^477930820 is an apocalyptic number.

It is an amenable number.

477930820 is an abundant number, since it is smaller than the sum of its proper divisors (539862908).

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

477930820 is a wasteful number, since it uses less digits than its factorization.

477930820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336651 (or 336649 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 477930820 is about 21861.6289420528. The cubic root of 477930820 is about 781.8468291042.

The spelling of 477930820 in words is "four hundred seventy-seven million, nine hundred thirty thousand, eight hundred twenty".