5667345977 has 2 divisors, whose sum is σ = 5667345978. Its totient is φ = 5667345976.

The previous prime is 5667345953. The next prime is 5667345979. The reversal of 5667345977 is 7795437665.

5667345977 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2909415721 + 2757930256 = 53939^2 + 52516^2 .

It is a cyclic number.

It is not a de Polignac number, because 5667345977 - 2¹⁸ = 5667083833 is a prime.

Together with 5667345979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5667345979) 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, 2833672988 + 2833672989.

It is an arithmetic number, because the mean of its divisors is an integer number (2833672989).

Almost surely, 2^5667345977 is an apocalyptic number.

It is an amenable number.

5667345977 is a deficient number, since it is larger than the sum of its proper divisors (1).

5667345977 is an equidigital number, since it uses as much as digits as its factorization.

5667345977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33339600, while the sum is 59.

The square root of 5667345977 is about 75281.7771907651. Note that the first 3 decimals coincide. The cubic root of 5667345977 is about 1782.8983183229.

The spelling of 5667345977 in words is "five billion, six hundred sixty-seven million, three hundred forty-five thousand, nine hundred seventy-seven".