800211407 has 2 divisors, whose sum is σ = 800211408. Its totient is φ = 800211406.

The previous prime is 800211361. The next prime is 800211457. The reversal of 800211407 is 704112008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 800211407 - 2⁸ = 800211151 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 (800211457) 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, 400105703 + 400105704.

It is an arithmetic number, because the mean of its divisors is an integer number (400105704).

Almost surely, 2^800211407 is an apocalyptic number.

800211407 is a deficient number, since it is larger than the sum of its proper divisors (1).

800211407 is an equidigital number, since it uses as much as digits as its factorization.

800211407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 800211407 is about 28288.0081836809. The cubic root of 800211407 is about 928.3995315515.

The spelling of 800211407 in words is "eight hundred million, two hundred eleven thousand, four hundred seven".