682678646802 has 40 divisors (see below), whose sum is σ = 1543243118076. Its totient is φ = 225545741568.

The previous prime is 682678646801. The next prime is 682678646833. The reversal of 682678646802 is 208646876286.

It is a happy number.

682678646802 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 641009998161 + 41668648641 = 800631^2 + 204129^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 682678646802.

It is not an unprimeable number, because it can be changed into a prime (682678646801) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18628003 + ... + 18664614.

Almost surely, 2^682678646802 is an apocalyptic number.

682678646802 is an abundant number, since it is smaller than the sum of its proper divisors (860564471274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

682678646802 is a wasteful number, since it uses less digits than its factorization.

682678646802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37292744 (or 37292735 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 63.

The spelling of 682678646802 in words is "six hundred eighty-two billion, six hundred seventy-eight million, six hundred forty-six thousand, eight hundred two".