577271664513 has 40 divisors (see below), whose sum is σ = 871417079808. Its totient is φ = 380809973376.

The previous prime is 577271664443. The next prime is 577271664539. The reversal of 577271664513 is 315466172775.

577271664513 is a `hidden beast` number, since 5 + 7 + 7 + 27 + 166 + 451 + 3 = 666.

It is not a de Polignac number, because 577271664513 - 2¹⁸ = 577271402369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 577271664513.

It is not an unprimeable number, because it can be changed into a prime (577271664113) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5503920 + ... + 5607822.

Almost surely, 2^577271664513 is an apocalyptic number.

It is an amenable number.

577271664513 is a deficient number, since it is larger than the sum of its proper divisors (294145415295).

577271664513 is a wasteful number, since it uses less digits than its factorization.

577271664513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104635 (or 104626 counting only the distinct ones).

The product of its digits is 7408800, while the sum is 54.

The spelling of 577271664513 in words is "five hundred seventy-seven billion, two hundred seventy-one million, six hundred sixty-four thousand, five hundred thirteen".