477643769573964 has 192 divisors, whose sum is σ = 1322986551828480. Its totient is φ = 131247059650560.

The previous prime is 477643769573941. The next prime is 477643769574077. The reversal of 477643769573964 is 469375967346774.

It is a super-2 number, since 2×477643769573964² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 449359632 + ... + 450421320.

It is an arithmetic number, because the mean of its divisors is an integer number (6890554957440).

Almost surely, 2^{477643769573964} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 477643769573964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (661493275914240).

477643769573964 is an abundant number, since it is smaller than the sum of its proper divisors (845342782254516).

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

477643769573964 is a wasteful number, since it uses less digits than its factorization.

477643769573964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062808 (or 1062806 counting only the distinct ones).

The product of its digits is 120982740480, while the sum is 87.

The spelling of 477643769573964 in words is "four hundred seventy-seven trillion, six hundred forty-three billion, seven hundred sixty-nine million, five hundred seventy-three thousand, nine hundred sixty-four".