680202166279 has 2 divisors, whose sum is σ = 680202166280. Its totient is φ = 680202166278.

The previous prime is 680202166249. The next prime is 680202166283. The reversal of 680202166279 is 972661202086.

680202166279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 680202166279 - 2⁹ = 680202165767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (680202166249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340101083139 + 340101083140.

It is an arithmetic number, because the mean of its divisors is an integer number (340101083140).

Almost surely, 2^680202166279 is an apocalyptic number.

680202166279 is a deficient number, since it is larger than the sum of its proper divisors (1).

680202166279 is an equidigital number, since it uses as much as digits as its factorization.

680202166279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 680202166279 in words is "six hundred eighty billion, two hundred two million, one hundred sixty-six thousand, two hundred seventy-nine".