799806437 has 2 divisors, whose sum is σ = 799806438. Its totient is φ = 799806436.

The previous prime is 799806401. The next prime is 799806451. The reversal of 799806437 is 734608997.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 477029281 + 322777156 = 21841^2 + 17966^2 .

It is a cyclic number.

It is not a de Polignac number, because 799806437 - 2⁶ = 799806373 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (799806037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399903218 + 399903219.

It is an arithmetic number, because the mean of its divisors is an integer number (399903219).

Almost surely, 2^799806437 is an apocalyptic number.

It is an amenable number.

799806437 is a deficient number, since it is larger than the sum of its proper divisors (1).

799806437 is an equidigital number, since it uses as much as digits as its factorization.

799806437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 799806437 is about 28280.8492977138. The cubic root of 799806437 is about 928.2428906951.

The spelling of 799806437 in words is "seven hundred ninety-nine million, eight hundred six thousand, four hundred thirty-seven".