676403417 has 2 divisors, whose sum is σ = 676403418. Its totient is φ = 676403416.

The previous prime is 676403411. The next prime is 676403419. The reversal of 676403417 is 714304676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 658897561 + 17505856 = 25669^2 + 4184^2 .

It is a cyclic number.

It is not a de Polignac number, because 676403417 - 2¹⁸ = 676141273 is a prime.

Together with 676403419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (676403411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338201708 + 338201709.

It is an arithmetic number, because the mean of its divisors is an integer number (338201709).

Almost surely, 2^676403417 is an apocalyptic number.

It is an amenable number.

676403417 is a deficient number, since it is larger than the sum of its proper divisors (1).

676403417 is an equidigital number, since it uses as much as digits as its factorization.

676403417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 676403417 is about 26007.7568621363. The cubic root of 676403417 is about 877.8128437587.

The spelling of 676403417 in words is "six hundred seventy-six million, four hundred three thousand, four hundred seventeen".