6880505447 has 2 divisors, whose sum is σ = 6880505448. Its totient is φ = 6880505446.

The previous prime is 6880505441. The next prime is 6880505497. The reversal of 6880505447 is 7445050886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6880505447 - 2⁶ = 6880505383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6880505441) 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, 3440252723 + 3440252724.

It is an arithmetic number, because the mean of its divisors is an integer number (3440252724).

Almost surely, 2^6880505447 is an apocalyptic number.

6880505447 is a deficient number, since it is larger than the sum of its proper divisors (1).

6880505447 is an equidigital number, since it uses as much as digits as its factorization.

6880505447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1075200, while the sum is 47.

The square root of 6880505447 is about 82948.8122096995. The cubic root of 6880505447 is about 1901.9836574591.

The spelling of 6880505447 in words is "six billion, eight hundred eighty million, five hundred five thousand, four hundred forty-seven".