6880927969 has 2 divisors, whose sum is σ = 6880927970. Its totient is φ = 6880927968.

The previous prime is 6880927967. The next prime is 6880927993. The reversal of 6880927969 is 9697290886.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6514588369 + 366339600 = 80713^2 + 19140^2 .

It is a cyclic number.

It is not a de Polignac number, because 6880927969 - 2¹ = 6880927967 is a prime.

It is a super-2 number, since 2×6880927969² = 94694339429132929922, which contains 22 as substring.

Together with 6880927967, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6880927969.

It is not a weakly prime, because it can be changed into another prime (6880927961) 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, 3440463984 + 3440463985.

It is an arithmetic number, because the mean of its divisors is an integer number (3440463985).

Almost surely, 2^6880927969 is an apocalyptic number.

It is an amenable number.

6880927969 is a deficient number, since it is larger than the sum of its proper divisors (1).

6880927969 is an equidigital number, since it uses as much as digits as its factorization.

6880927969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23514624, while the sum is 64.

The square root of 6880927969 is about 82951.3590545688. The cubic root of 6880927969 is about 1902.0225893610.

The spelling of 6880927969 in words is "six billion, eight hundred eighty million, nine hundred twenty-seven thousand, nine hundred sixty-nine".