680601587 has 2 divisors, whose sum is σ = 680601588. Its totient is φ = 680601586.

The previous prime is 680601563. The next prime is 680601617. The reversal of 680601587 is 785106086.

680601587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 680601587 - 2⁸ = 680601331 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (680601287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340300793 + 340300794.

It is an arithmetic number, because the mean of its divisors is an integer number (340300794).

Almost surely, 2^680601587 is an apocalyptic number.

680601587 is a deficient number, since it is larger than the sum of its proper divisors (1).

680601587 is an equidigital number, since it uses as much as digits as its factorization.

680601587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 680601587 is about 26088.3419749129. The cubic root of 680601587 is about 879.6251791310.

The spelling of 680601587 in words is "six hundred eighty million, six hundred one thousand, five hundred eighty-seven".