679703671 has 2 divisors, whose sum is σ = 679703672. Its totient is φ = 679703670.

The previous prime is 679703669. The next prime is 679703693. The reversal of 679703671 is 176307976.

It is a happy number.

679703671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 679703671 - 2¹ = 679703669 is a prime.

It is a super-3 number, since 3×679703671³ (a number of 27 digits) contains 333 as substring.

Together with 679703669, 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 (679703621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339851835 + 339851836.

It is an arithmetic number, because the mean of its divisors is an integer number (339851836).

Almost surely, 2^679703671 is an apocalyptic number.

679703671 is a deficient number, since it is larger than the sum of its proper divisors (1).

679703671 is an equidigital number, since it uses as much as digits as its factorization.

679703671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 333396, while the sum is 46.

The square root of 679703671 is about 26071.1271524650. The cubic root of 679703671 is about 879.2381797801.

The spelling of 679703671 in words is "six hundred seventy-nine million, seven hundred three thousand, six hundred seventy-one".