806787229 has 2 divisors, whose sum is σ = 806787230. Its totient is φ = 806787228.

The previous prime is 806787161. The next prime is 806787251. The reversal of 806787229 is 922787608.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 801003204 + 5784025 = 28302^2 + 2405^2 .

It is a cyclic number.

It is not a de Polignac number, because 806787229 - 2¹⁷ = 806656157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (806787269) 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, 403393614 + 403393615.

It is an arithmetic number, because the mean of its divisors is an integer number (403393615).

Almost surely, 2^806787229 is an apocalyptic number.

It is an amenable number.

806787229 is a deficient number, since it is larger than the sum of its proper divisors (1).

806787229 is an equidigital number, since it uses as much as digits as its factorization.

806787229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 806787229 is about 28404.0002288410. Note that the first 3 decimals coincide. The cubic root of 806787229 is about 930.9356710182.

The spelling of 806787229 in words is "eight hundred six million, seven hundred eighty-seven thousand, two hundred twenty-nine".