687079269211 has 2 divisors, whose sum is σ = 687079269212. Its totient is φ = 687079269210.

The previous prime is 687079269209. The next prime is 687079269229. The reversal of 687079269211 is 112962970786.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 687079269211 - 2¹ = 687079269209 is a prime.

Together with 687079269209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (687079269911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343539634605 + 343539634606.

It is an arithmetic number, because the mean of its divisors is an integer number (343539634606).

Almost surely, 2^687079269211 is an apocalyptic number.

687079269211 is a deficient number, since it is larger than the sum of its proper divisors (1).

687079269211 is an equidigital number, since it uses as much as digits as its factorization.

687079269211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 58.

The spelling of 687079269211 in words is "six hundred eighty-seven billion, seventy-nine million, two hundred sixty-nine thousand, two hundred eleven".