680080067 has 2 divisors, whose sum is σ = 680080068. Its totient is φ = 680080066.

The previous prime is 680080043. The next prime is 680080109. The reversal of 680080067 is 760080086.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-680080067 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (680080007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340040033 + 340040034.

It is an arithmetic number, because the mean of its divisors is an integer number (340040034).

Almost surely, 2^680080067 is an apocalyptic number.

680080067 is a deficient number, since it is larger than the sum of its proper divisors (1).

680080067 is an equidigital number, since it uses as much as digits as its factorization.

680080067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 680080067 is about 26078.3447902661. The cubic root of 680080067 is about 879.4004468968.

The spelling of 680080067 in words is "six hundred eighty million, eighty thousand, sixty-seven".