680279063 has 2 divisors, whose sum is σ = 680279064. Its totient is φ = 680279062.

The previous prime is 680279023. The next prime is 680279087. The reversal of 680279063 is 360972086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 680279063 - 2¹⁴ = 680262679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 680279063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (680279023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340139531 + 340139532.

It is an arithmetic number, because the mean of its divisors is an integer number (340139532).

Almost surely, 2^680279063 is an apocalyptic number.

680279063 is a deficient number, since it is larger than the sum of its proper divisors (1).

680279063 is an equidigital number, since it uses as much as digits as its factorization.

680279063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 680279063 is about 26082.1598607171. The cubic root of 680279063 is about 879.4862113601.

The spelling of 680279063 in words is "six hundred eighty million, two hundred seventy-nine thousand, sixty-three".