5677457681 has 4 divisors (see below), whose sum is σ = 6488523072. Its totient is φ = 4866392292.

The previous prime is 5677457671. The next prime is 5677457713. The reversal of 5677457681 is 1867547765.

5677457681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1867547765 = 5 ⋅373509553.

It is a cyclic number.

It is not a de Polignac number, because 5677457681 - 2²² = 5673263377 is a prime.

It is a super-2 number, since 2×5677457681² = 64467051439091795522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5677457671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405532685 + ... + 405532698.

It is an arithmetic number, because the mean of its divisors is an integer number (1622130768).

Almost surely, 2^5677457681 is an apocalyptic number.

It is an amenable number.

5677457681 is a deficient number, since it is larger than the sum of its proper divisors (811065391).

5677457681 is an equidigital number, since it uses as much as digits as its factorization.

5677457681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811065390.

The product of its digits is 9878400, while the sum is 56.

The square root of 5677457681 is about 75348.9063026133. The cubic root of 5677457681 is about 1783.9580400329.

The spelling of 5677457681 in words is "five billion, six hundred seventy-seven million, four hundred fifty-seven thousand, six hundred eighty-one".