676774489 has 2 divisors, whose sum is σ = 676774490. Its totient is φ = 676774488.

The previous prime is 676774457. The next prime is 676774507. The reversal of 676774489 is 984477676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 623001600 + 53772889 = 24960^2 + 7333^2 .

It is a cyclic number.

It is not a de Polignac number, because 676774489 - 2⁵ = 676774457 is a prime.

It is a super-2 number, since 2×676774489² = 916047417922422242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (676774589) 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, 338387244 + 338387245.

It is an arithmetic number, because the mean of its divisors is an integer number (338387245).

Almost surely, 2^676774489 is an apocalyptic number.

It is an amenable number.

676774489 is a deficient number, since it is larger than the sum of its proper divisors (1).

676774489 is an equidigital number, since it uses as much as digits as its factorization.

676774489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14224896, while the sum is 58.

The square root of 676774489 is about 26014.8897556765. The cubic root of 676774489 is about 877.9733358617.

The spelling of 676774489 in words is "six hundred seventy-six million, seven hundred seventy-four thousand, four hundred eighty-nine".