680715367 has 2 divisors, whose sum is σ = 680715368. Its totient is φ = 680715366.

The previous prime is 680715353. The next prime is 680715389. The reversal of 680715367 is 763517086.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-680715367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (680715397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340357683 + 340357684.

It is an arithmetic number, because the mean of its divisors is an integer number (340357684).

Almost surely, 2^680715367 is an apocalyptic number.

680715367 is a deficient number, since it is larger than the sum of its proper divisors (1).

680715367 is an equidigital number, since it uses as much as digits as its factorization.

680715367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 680715367 is about 26090.5225513020. The cubic root of 680715367 is about 879.6741936980.

The spelling of 680715367 in words is "six hundred eighty million, seven hundred fifteen thousand, three hundred sixty-seven".