818814071 has 2 divisors, whose sum is σ = 818814072. Its totient is φ = 818814070.

The previous prime is 818814023. The next prime is 818814089. The reversal of 818814071 is 170418818.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 818814071 - 2¹⁸ = 818551927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (818814001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409407035 + 409407036.

It is an arithmetic number, because the mean of its divisors is an integer number (409407036).

Almost surely, 2^818814071 is an apocalyptic number.

818814071 is a deficient number, since it is larger than the sum of its proper divisors (1).

818814071 is an equidigital number, since it uses as much as digits as its factorization.

818814071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14336, while the sum is 38.

The square root of 818814071 is about 28614.9274155990. The cubic root of 818814071 is about 935.5387178302.

The spelling of 818814071 in words is "eight hundred eighteen million, eight hundred fourteen thousand, seventy-one".