682662861 has 12 divisors (see below), whose sum is σ = 991579680. Its totient is φ = 452565000.

The previous prime is 682662857. The next prime is 682662923. The reversal of 682662861 is 168266286.

682662861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 682662861 - 2² = 682662857 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682662361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210265 + ... + 213486.

It is an arithmetic number, because the mean of its divisors is an integer number (82631640).

Almost surely, 2^682662861 is an apocalyptic number.

It is an amenable number.

682662861 is a deficient number, since it is larger than the sum of its proper divisors (308916819).

682662861 is a wasteful number, since it uses less digits than its factorization.

682662861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423936 (or 423933 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 682662861 is about 26127.8177619180. The cubic root of 682662861 is about 880.5122968331.

The spelling of 682662861 in words is "six hundred eighty-two million, six hundred sixty-two thousand, eight hundred sixty-one".