811686107 has 2 divisors, whose sum is σ = 811686108. Its totient is φ = 811686106.

The previous prime is 811686089. The next prime is 811686163. The reversal of 811686107 is 701686118.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 811686107 - 2⁸ = 811685851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (811682107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405843053 + 405843054.

It is an arithmetic number, because the mean of its divisors is an integer number (405843054).

Almost surely, 2^811686107 is an apocalyptic number.

811686107 is a deficient number, since it is larger than the sum of its proper divisors (1).

811686107 is an equidigital number, since it uses as much as digits as its factorization.

811686107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 811686107 is about 28490.1054227604. The cubic root of 811686107 is about 932.8161092427.

The spelling of 811686107 in words is "eight hundred eleven million, six hundred eighty-six thousand, one hundred seven".