477621220 has 24 divisors (see below), whose sum is σ = 1046614464. Its totient is φ = 182741856.

The previous prime is 477621203. The next prime is 477621227. The reversal of 477621220 is 22126774.

It is not an unprimeable number, because it can be changed into a prime (477621227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518694 + ... + 519613.

It is an arithmetic number, because the mean of its divisors is an integer number (43608936).

Almost surely, 2^477621220 is an apocalyptic number.

It is an amenable number.

477621220 is an abundant number, since it is smaller than the sum of its proper divisors (568993244).

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

477621220 is a wasteful number, since it uses less digits than its factorization.

477621220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038339 (or 1038337 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 477621220 is about 21854.5468953259. The cubic root of 477621220 is about 781.6779677996.

Adding to 477621220 its reverse (22126774), we get a palindrome (499747994).

It can be divided in two parts, 47 and 7621220, that added together give a palindrome (7621267).

The spelling of 477621220 in words is "four hundred seventy-seven million, six hundred twenty-one thousand, two hundred twenty".