477745447752 has 24 divisors (see below), whose sum is σ = 1293893921190. Its totient is φ = 159248482560.

The previous prime is 477745447709. The next prime is 477745447771. The reversal of 477745447752 is 257744547774.

477745447752 is a `hidden beast` number, since 4 + 7 + 77 + 45 + 4 + 477 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 477599859396 + 145588356 = 691086^2 + 12066^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 477745447752.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3317676649 + ... + 3317676792.

Almost surely, 2^477745447752 is an apocalyptic number.

It is an amenable number.

477745447752 is an abundant number, since it is smaller than the sum of its proper divisors (816148473438).

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

477745447752 is a wasteful number, since it uses less digits than its factorization.

477745447752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6635353453 (or 6635353446 counting only the distinct ones).

The product of its digits is 215129600, while the sum is 63.

The spelling of 477745447752 in words is "four hundred seventy-seven billion, seven hundred forty-five million, four hundred forty-seven thousand, seven hundred fifty-two".