682680379 has 2 divisors, whose sum is σ = 682680380. Its totient is φ = 682680378.

The previous prime is 682680343. The next prime is 682680433. The reversal of 682680379 is 973086286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 682680379 - 2¹³ = 682672187 is a prime.

It is not a weakly prime, because it can be changed into another prime (682680979) 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, 341340189 + 341340190.

It is an arithmetic number, because the mean of its divisors is an integer number (341340190).

Almost surely, 2^682680379 is an apocalyptic number.

682680379 is a deficient number, since it is larger than the sum of its proper divisors (1).

682680379 is an equidigital number, since it uses as much as digits as its factorization.

682680379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 682680379 is about 26128.1529963371. The cubic root of 682680379 is about 880.5198284583.

The spelling of 682680379 in words is "six hundred eighty-two million, six hundred eighty thousand, three hundred seventy-nine".