5677188661 has 2 divisors, whose sum is σ = 5677188662. Its totient is φ = 5677188660.

The previous prime is 5677188659. The next prime is 5677188719. The reversal of 5677188661 is 1668817765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3247290225 + 2429898436 = 56985^2 + 49294^2 .

It is a cyclic number.

It is not a de Polignac number, because 5677188661 - 2¹ = 5677188659 is a prime.

Together with 5677188659, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5777188661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2838594330 + 2838594331.

It is an arithmetic number, because the mean of its divisors is an integer number (2838594331).

Almost surely, 2^5677188661 is an apocalyptic number.

It is an amenable number.

5677188661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5677188661 is an equidigital number, since it uses as much as digits as its factorization.

5677188661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 55.

The square root of 5677188661 is about 75347.1211195225. The cubic root of 5677188661 is about 1783.9298626339.

The spelling of 5677188661 in words is "five billion, six hundred seventy-seven million, one hundred eighty-eight thousand, six hundred sixty-one".