477918668020 has 24 divisors (see below), whose sum is σ = 1003916839968. Its totient is φ = 191112679200.

The previous prime is 477918667997. The next prime is 477918668057. The reversal of 477918668020 is 20866819774.

It is a congruent number.

It is an unprimeable number.

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, 3352686 + ... + 3492325.

It is an arithmetic number, because the mean of its divisors is an integer number (41829868332).

Almost surely, 2^477918668020 is an apocalyptic number.

It is an amenable number.

477918668020 is an abundant number, since it is smaller than the sum of its proper divisors (525998171948).

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

477918668020 is a wasteful number, since it uses less digits than its factorization.

477918668020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6848511 (or 6848509 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 477918668020 in words is "four hundred seventy-seven billion, nine hundred eighteen million, six hundred sixty-eight thousand, twenty".