6716577677 has 2 divisors, whose sum is σ = 6716577678. Its totient is φ = 6716577676.

The previous prime is 6716577671. The next prime is 6716577701. The reversal of 6716577677 is 7767756176.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5539676041 + 1176901636 = 74429^2 + 34306^2 .

It is a cyclic number.

It is not a de Polignac number, because 6716577677 - 2⁸ = 6716577421 is a prime.

It is a super-2 number, since 2×6716577677² = 90224831382349432658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6716577671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3358288838 + 3358288839.

It is an arithmetic number, because the mean of its divisors is an integer number (3358288839).

Almost surely, 2^6716577677 is an apocalyptic number.

It is an amenable number.

6716577677 is a deficient number, since it is larger than the sum of its proper divisors (1).

6716577677 is an equidigital number, since it uses as much as digits as its factorization.

6716577677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18151560, while the sum is 59.

The square root of 6716577677 is about 81954.7294364395. The cubic root of 6716577677 is about 1886.7571910509.

The spelling of 6716577677 in words is "six billion, seven hundred sixteen million, five hundred seventy-seven thousand, six hundred seventy-seven".