676115989 has 2 divisors, whose sum is σ = 676115990. Its totient is φ = 676115988.

The previous prime is 676115977. The next prime is 676116019. The reversal of 676115989 is 989511676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385140625 + 290975364 = 19625^2 + 17058^2 .

It is a cyclic number.

It is not a de Polignac number, because 676115989 - 2⁷ = 676115861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676115189) 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, 338057994 + 338057995.

It is an arithmetic number, because the mean of its divisors is an integer number (338057995).

Almost surely, 2^676115989 is an apocalyptic number.

It is an amenable number.

676115989 is a deficient number, since it is larger than the sum of its proper divisors (1).

676115989 is an equidigital number, since it uses as much as digits as its factorization.

676115989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 52.

The square root of 676115989 is about 26002.2304620200. The cubic root of 676115989 is about 877.6884881200.

The spelling of 676115989 in words is "six hundred seventy-six million, one hundred fifteen thousand, nine hundred eighty-nine".