6716967877 has 2 divisors, whose sum is σ = 6716967878. Its totient is φ = 6716967876.

The previous prime is 6716967871. The next prime is 6716967919. The reversal of 6716967877 is 7787696176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5727613761 + 989354116 = 75681^2 + 31454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6716967877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6716967871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3358483938 + 3358483939.

It is an arithmetic number, because the mean of its divisors is an integer number (3358483939).

Almost surely, 2^6716967877 is an apocalyptic number.

It is an amenable number.

6716967877 is a deficient number, since it is larger than the sum of its proper divisors (1).

6716967877 is an equidigital number, since it uses as much as digits as its factorization.

6716967877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37340352, while the sum is 64.

The square root of 6716967877 is about 81957.1099844303. The cubic root of 6716967877 is about 1886.7937274357.

The spelling of 6716967877 in words is "six billion, seven hundred sixteen million, nine hundred sixty-seven thousand, eight hundred seventy-seven".