577315473644 has 96 divisors (see below), whose sum is σ = 1250543271936. Its totient is φ = 227088126720.

The previous prime is 577315473619. The next prime is 577315473653. The reversal of 577315473644 is 446374513775.

It is a super-2 number, since 2×577315473644² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 577315473644.

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 31 ways as a sum of consecutive naturals, for example, 70477589 + ... + 70485779.

It is an arithmetic number, because the mean of its divisors is an integer number (13026492416).

Almost surely, 2^577315473644 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 577315473644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625271635968).

577315473644 is an abundant number, since it is smaller than the sum of its proper divisors (673227798292).

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

577315473644 is a wasteful number, since it uses less digits than its factorization.

577315473644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9295 (or 9293 counting only the distinct ones).

The product of its digits is 29635200, while the sum is 56.

The spelling of 577315473644 in words is "five hundred seventy-seven billion, three hundred fifteen million, four hundred seventy-three thousand, six hundred forty-four".