718871 has 2 divisors, whose sum is σ = 718872. Its totient is φ = 718870.

The previous prime is 718847. The next prime is 718897. The reversal of 718871 is 178817.

It is a weak prime.

It is an emirp because it is prime and its reverse (178817) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 718871 - 2⁶ = 718807 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p₅₇₉₄₇ and since 718871 and 57947 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 718871.

It is not a weakly prime, because it can be changed into another prime (718801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359435 + 359436.

It is an arithmetic number, because the mean of its divisors is an integer number (359436).

2⁷¹⁸⁸⁷¹ is an apocalyptic number.

718871 is a deficient number, since it is larger than the sum of its proper divisors (1).

718871 is an equidigital number, since it uses as much as digits as its factorization.

718871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3136, while the sum is 32.

The square root of 718871 is about 847.8626067943. The cubic root of 718871 is about 89.5812231460.

The spelling of 718871 in words is "seven hundred eighteen thousand, eight hundred seventy-one".