680372807 has 2 divisors, whose sum is σ = 680372808. Its totient is φ = 680372806.

The previous prime is 680372753. The next prime is 680372809. The reversal of 680372807 is 708273086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 680372807 - 2⁶ = 680372743 is a prime.

Together with 680372809, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (680372809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340186403 + 340186404.

It is an arithmetic number, because the mean of its divisors is an integer number (340186404).

Almost surely, 2^680372807 is an apocalyptic number.

680372807 is a deficient number, since it is larger than the sum of its proper divisors (1).

680372807 is an equidigital number, since it uses as much as digits as its factorization.

680372807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 680372807 is about 26083.9568892452. The cubic root of 680372807 is about 879.5266079037.

The spelling of 680372807 in words is "six hundred eighty million, three hundred seventy-two thousand, eight hundred seven".