7992871 has 2 divisors, whose sum is σ = 7992872. Its totient is φ = 7992870.

The previous prime is 7992869. The next prime is 7992889. The reversal of 7992871 is 1782997.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1782997) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7992871 - 2¹ = 7992869 is a prime.

Together with 7992869, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7992821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3996435 + 3996436.

It is an arithmetic number, because the mean of its divisors is an integer number (3996436).

Almost surely, 2^7992871 is an apocalyptic number.

7992871 is a deficient number, since it is larger than the sum of its proper divisors (1).

7992871 is an equidigital number, since it uses as much as digits as its factorization.

7992871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 43.

The square root of 7992871 is about 2827.1666028022. The cubic root of 7992871 is about 199.9405740112.

The spelling of 7992871 in words is "seven million, nine hundred ninety-two thousand, eight hundred seventy-one".