686383627 has 2 divisors, whose sum is σ = 686383628. Its totient is φ = 686383626.

The previous prime is 686383601. The next prime is 686383661. The reversal of 686383627 is 726383686.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-686383627 is a prime.

It is a super-2 number, since 2×686383627² = 942244966827350258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (686383667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343191813 + 343191814.

It is an arithmetic number, because the mean of its divisors is an integer number (343191814).

Almost surely, 2^686383627 is an apocalyptic number.

686383627 is a deficient number, since it is larger than the sum of its proper divisors (1).

686383627 is an equidigital number, since it uses as much as digits as its factorization.

686383627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 49.

The square root of 686383627 is about 26198.9241573008. The cubic root of 686383627 is about 882.1091055599.

The spelling of 686383627 in words is "six hundred eighty-six million, three hundred eighty-three thousand, six hundred twenty-seven".