806671699 has 2 divisors, whose sum is σ = 806671700. Its totient is φ = 806671698.

The previous prime is 806671687. The next prime is 806671711. The reversal of 806671699 is 996176608.

It is a balanced prime because it is at equal distance from previous prime (806671687) and next prime (806671711).

It is a cyclic number.

It is not a de Polignac number, because 806671699 - 2⁵ = 806671667 is a prime.

It is not a weakly prime, because it can be changed into another prime (806671499) 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, 403335849 + 403335850.

It is an arithmetic number, because the mean of its divisors is an integer number (403335850).

Almost surely, 2^806671699 is an apocalyptic number.

806671699 is a deficient number, since it is larger than the sum of its proper divisors (1).

806671699 is an equidigital number, since it uses as much as digits as its factorization.

806671699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 806671699 is about 28401.9664636095. The cubic root of 806671699 is about 930.8912329771.

The spelling of 806671699 in words is "eight hundred six million, six hundred seventy-one thousand, six hundred ninety-nine".