682770839 has 2 divisors, whose sum is σ = 682770840. Its totient is φ = 682770838.

The previous prime is 682770817. The next prime is 682770841. The reversal of 682770839 is 938077286.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-682770839 is a prime.

It is a super-4 number, since 4×682770839⁴ (a number of 36 digits) contains 4444 as substring.

It is a Sophie Germain prime.

Together with 682770841, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (682770859) 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, 341385419 + 341385420.

It is an arithmetic number, because the mean of its divisors is an integer number (341385420).

Almost surely, 2^682770839 is an apocalyptic number.

682770839 is a deficient number, since it is larger than the sum of its proper divisors (1).

682770839 is an equidigital number, since it uses as much as digits as its factorization.

682770839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 682770839 is about 26129.8840219393. The cubic root of 682770839 is about 880.5587184515.

The spelling of 682770839 in words is "six hundred eighty-two million, seven hundred seventy thousand, eight hundred thirty-nine".