676747663 has 2 divisors, whose sum is σ = 676747664. Its totient is φ = 676747662.

The previous prime is 676747661. The next prime is 676747691. The reversal of 676747663 is 366747676.

676747663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 676747663 - 2¹ = 676747661 is a prime.

It is a super-3 number, since 3×676747663³ (a number of 27 digits) contains 333 as substring.

Together with 676747661, 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 676747663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676747661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338373831 + 338373832.

It is an arithmetic number, because the mean of its divisors is an integer number (338373832).

Almost surely, 2^676747663 is an apocalyptic number.

676747663 is a deficient number, since it is larger than the sum of its proper divisors (1).

676747663 is an equidigital number, since it uses as much as digits as its factorization.

676747663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5334336, while the sum is 52.

The square root of 676747663 is about 26014.3741612209. The cubic root of 676747663 is about 877.9617353339.

The spelling of 676747663 in words is "six hundred seventy-six million, seven hundred forty-seven thousand, six hundred sixty-three".