216714679 has 2 divisors, whose sum is σ = 216714680. Its totient is φ = 216714678.

The previous prime is 216714653. The next prime is 216714713. The reversal of 216714679 is 976417612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216714679 - 2⁵ = 216714647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216715679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108357339 + 108357340.

It is an arithmetic number, because the mean of its divisors is an integer number (108357340).

Almost surely, 2^216714679 is an apocalyptic number.

216714679 is a deficient number, since it is larger than the sum of its proper divisors (1).

216714679 is an equidigital number, since it uses as much as digits as its factorization.

216714679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 43.

The square root of 216714679 is about 14721.2322514116. The cubic root of 216714679 is about 600.6610113208.

The spelling of 216714679 in words is "two hundred sixteen million, seven hundred fourteen thousand, six hundred seventy-nine".