7117871 has 2 divisors, whose sum is σ = 7117872. Its totient is φ = 7117870.

The previous prime is 7117867. The next prime is 7117889. The reversal of 7117871 is 1787117.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7117871 - 2² = 7117867 is a prime.

It is a Sophie Germain 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 (7117841) 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, 3558935 + 3558936.

It is an arithmetic number, because the mean of its divisors is an integer number (3558936).

Almost surely, 2^7117871 is an apocalyptic number.

7117871 is a deficient number, since it is larger than the sum of its proper divisors (1).

7117871 is an equidigital number, since it uses as much as digits as its factorization.

7117871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2744, while the sum is 32.

The square root of 7117871 is about 2667.9338447570. The cubic root of 7117871 is about 192.3608574525.

The spelling of 7117871 in words is "seven million, one hundred seventeen thousand, eight hundred seventy-one".