6980560871 has 2 divisors, whose sum is σ = 6980560872. Its totient is φ = 6980560870.

The previous prime is 6980560823. The next prime is 6980560877. The reversal of 6980560871 is 1780650896.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6980560871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6980560877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3490280435 + 3490280436.

It is an arithmetic number, because the mean of its divisors is an integer number (3490280436).

Almost surely, 2^6980560871 is an apocalyptic number.

6980560871 is a deficient number, since it is larger than the sum of its proper divisors (1).

6980560871 is an equidigital number, since it uses as much as digits as its factorization.

6980560871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 6980560871 is about 83549.7508733569. The cubic root of 6980560871 is about 1911.1587927228.

The spelling of 6980560871 in words is "six billion, nine hundred eighty million, five hundred sixty thousand, eight hundred seventy-one".