680662119127 has 2 divisors, whose sum is σ = 680662119128. Its totient is φ = 680662119126.

The previous prime is 680662119107. The next prime is 680662119149. The reversal of 680662119127 is 721911266086.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 680662119127 - 2¹⁹ = 680661594839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (680662119107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340331059563 + 340331059564.

It is an arithmetic number, because the mean of its divisors is an integer number (340331059564).

Almost surely, 2^680662119127 is an apocalyptic number.

680662119127 is a deficient number, since it is larger than the sum of its proper divisors (1).

680662119127 is an equidigital number, since it uses as much as digits as its factorization.

680662119127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 680662119127 in words is "six hundred eighty billion, six hundred sixty-two million, one hundred nineteen thousand, one hundred twenty-seven".