6975777659 has 2 divisors, whose sum is σ = 6975777660. Its totient is φ = 6975777658.

The previous prime is 6975777649. The next prime is 6975777703. The reversal of 6975777659 is 9567775796.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6975777659 is a prime.

It is a super-2 number, since 2×6975777659² = 97322947895607040562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6975777649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3487888829 + 3487888830.

It is an arithmetic number, because the mean of its divisors is an integer number (3487888830).

Almost surely, 2^6975777659 is an apocalyptic number.

6975777659 is a deficient number, since it is larger than the sum of its proper divisors (1).

6975777659 is an equidigital number, since it uses as much as digits as its factorization.

6975777659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 175032900, while the sum is 68.

The square root of 6975777659 is about 83521.1210353405. The cubic root of 6975777659 is about 1910.7221722943.

The spelling of 6975777659 in words is "six billion, nine hundred seventy-five million, seven hundred seventy-seven thousand, six hundred fifty-nine".