683457679 has 2 divisors, whose sum is σ = 683457680. Its totient is φ = 683457678.

The previous prime is 683457641. The next prime is 683457701. The reversal of 683457679 is 976754386.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 683457679 - 2¹⁷ = 683326607 is a prime.

It is a super-2 number, since 2×683457679² = 934228797968134082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683454679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341728839 + 341728840.

It is an arithmetic number, because the mean of its divisors is an integer number (341728840).

Almost surely, 2^683457679 is an apocalyptic number.

683457679 is a deficient number, since it is larger than the sum of its proper divisors (1).

683457679 is an equidigital number, since it uses as much as digits as its factorization.

683457679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 55.

The square root of 683457679 is about 26143.0235244510. The cubic root of 683457679 is about 880.8538883809.

The spelling of 683457679 in words is "six hundred eighty-three million, four hundred fifty-seven thousand, six hundred seventy-nine".