687067411 has 2 divisors, whose sum is σ = 687067412. Its totient is φ = 687067410.

The previous prime is 687067387. The next prime is 687067421. The reversal of 687067411 is 114760786.

687067411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 687067411 - 2⁹ = 687066899 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (687067421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343533705 + 343533706.

It is an arithmetic number, because the mean of its divisors is an integer number (343533706).

Almost surely, 2^687067411 is an apocalyptic number.

687067411 is a deficient number, since it is larger than the sum of its proper divisors (1).

687067411 is an equidigital number, since it uses as much as digits as its factorization.

687067411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 687067411 is about 26211.9707576519. The cubic root of 687067411 is about 882.4019310702.

The spelling of 687067411 in words is "six hundred eighty-seven million, sixty-seven thousand, four hundred eleven".