678682033936 has 10 divisors (see below), whose sum is σ = 1314946440782. Its totient is φ = 339341016960.

The previous prime is 678682033933. The next prime is 678682034059. The reversal of 678682033936 is 639330286876.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 546186033936 + 132496000000 = 739044^2 + 364000^2 .

It is not an unprimeable number, because it can be changed into a prime (678682033933) 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 as a sum of consecutive naturals, namely, 21208813545 + ... + 21208813576.

Almost surely, 2^678682033936 is an apocalyptic number.

It is an amenable number.

678682033936 is a deficient number, since it is larger than the sum of its proper divisors (636264406846).

678682033936 is a wasteful number, since it uses less digits than its factorization.

678682033936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42417627129 (or 42417627123 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 61.

The spelling of 678682033936 in words is "six hundred seventy-eight billion, six hundred eighty-two million, thirty-three thousand, nine hundred thirty-six".