577114136721 has 6 divisors (see below), whose sum is σ = 833609308610. Its totient is φ = 384742757808.

The previous prime is 577114136719. The next prime is 577114136743. The reversal of 577114136721 is 127631411775.

577114136721 is a `hidden beast` number, since 577 + 1 + 1 + 4 + 1 + 3 + 6 + 72 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 577051410321 + 62726400 = 759639^2 + 7920^2 .

It is not a de Polignac number, because 577114136721 - 2¹ = 577114136719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (577114136321) 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 5 ways as a sum of consecutive naturals, for example, 32061896476 + ... + 32061896493.

Almost surely, 2^577114136721 is an apocalyptic number.

It is an amenable number.

577114136721 is a deficient number, since it is larger than the sum of its proper divisors (256495171889).

577114136721 is a wasteful number, since it uses less digits than its factorization.

577114136721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64123792975 (or 64123792972 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The spelling of 577114136721 in words is "five hundred seventy-seven billion, one hundred fourteen million, one hundred thirty-six thousand, seven hundred twenty-one".