682398085857 has 4 divisors (see below), whose sum is σ = 909864114480. Its totient is φ = 454932057236.

The previous prime is 682398085801. The next prime is 682398085913. The reversal of 682398085857 is 758580893286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (682398085801) and next prime (682398085913).

It is a cyclic number.

It is not a de Polignac number, because 682398085857 - 2²⁷ = 682263868129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 682398085791 and 682398085800.

It is not an unprimeable number, because it can be changed into a prime (682398081857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113733014307 + ... + 113733014312.

It is an arithmetic number, because the mean of its divisors is an integer number (227466028620).

Almost surely, 2^682398085857 is an apocalyptic number.

It is an amenable number.

682398085857 is a deficient number, since it is larger than the sum of its proper divisors (227466028623).

682398085857 is a wasteful number, since it uses less digits than its factorization.

682398085857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227466028622.

The product of its (nonzero) digits is 232243200, while the sum is 69.

The spelling of 682398085857 in words is "six hundred eighty-two billion, three hundred ninety-eight million, eighty-five thousand, eight hundred fifty-seven".