814400711 has 2 divisors, whose sum is σ = 814400712. Its totient is φ = 814400710.

The previous prime is 814400687. The next prime is 814400771. The reversal of 814400711 is 117004418.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 814400711 - 2²² = 810206407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (814400771) 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, 407200355 + 407200356.

It is an arithmetic number, because the mean of its divisors is an integer number (407200356).

Almost surely, 2^814400711 is an apocalyptic number.

814400711 is a deficient number, since it is larger than the sum of its proper divisors (1).

814400711 is an equidigital number, since it uses as much as digits as its factorization.

814400711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 814400711 is about 28537.7068279846. The cubic root of 814400711 is about 933.8548558822.

The spelling of 814400711 in words is "eight hundred fourteen million, four hundred thousand, seven hundred eleven".