678008982 has 24 divisors (see below), whose sum is σ = 1577409336. Its totient is φ = 193716768.

The previous prime is 678008959. The next prime is 678008983. The reversal of 678008982 is 289800876.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678008983) 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 in 11 ways as a sum of consecutive naturals, for example, 1152783 + ... + 1153370.

It is an arithmetic number, because the mean of its divisors is an integer number (65725389).

Almost surely, 2^678008982 is an apocalyptic number.

678008982 is an abundant number, since it is smaller than the sum of its proper divisors (899400354).

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

678008982 is a wasteful number, since it uses less digits than its factorization.

678008982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306172 (or 2306165 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 678008982 is about 26038.6056078278. The cubic root of 678008982 is about 878.5068437534.

The spelling of 678008982 in words is "six hundred seventy-eight million, eight thousand, nine hundred eighty-two".