7980547271 has 2 divisors, whose sum is σ = 7980547272. Its totient is φ = 7980547270.

The previous prime is 7980547261. The next prime is 7980547273. The reversal of 7980547271 is 1727450897.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1727450897) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7980547271 - 2¹⁸ = 7980285127 is a prime.

Together with 7980547273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7980547273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3990273635 + 3990273636.

It is an arithmetic number, because the mean of its divisors is an integer number (3990273636).

Almost surely, 2^7980547271 is an apocalyptic number.

7980547271 is a deficient number, since it is larger than the sum of its proper divisors (1).

7980547271 is an equidigital number, since it uses as much as digits as its factorization.

7980547271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 987840, while the sum is 50.

The square root of 7980547271 is about 89333.9088532456. The cubic root of 7980547271 is about 1998.3776235532.

The spelling of 7980547271 in words is "seven billion, nine hundred eighty million, five hundred forty-seven thousand, two hundred seventy-one".