577551216671 has 24 divisors (see below), whose sum is σ = 693866062512. Its totient is φ = 477424569600.

The previous prime is 577551216581. The next prime is 577551216689. The reversal of 577551216671 is 176612155775.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-577551216671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (577551212671) 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 23 ways as a sum of consecutive naturals, for example, 2634650 + ... + 2845431.

It is an arithmetic number, because the mean of its divisors is an integer number (28911085938).

Almost surely, 2^577551216671 is an apocalyptic number.

577551216671 is a deficient number, since it is larger than the sum of its proper divisors (116314845841).

577551216671 is a wasteful number, since it uses less digits than its factorization.

577551216671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5480183 (or 5480172 counting only the distinct ones).

The product of its digits is 3087000, while the sum is 53.

The spelling of 577551216671 in words is "five hundred seventy-seven billion, five hundred fifty-one million, two hundred sixteen thousand, six hundred seventy-one".