678923082 has 24 divisors (see below), whose sum is σ = 1471581540. Its totient is φ = 226218240.

The previous prime is 678923071. The next prime is 678923083. The reversal of 678923082 is 280329876.

678923082 is digitally balanced in base 2, because in such base 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 672313041 + 6610041 = 25929^2 + 2571^2 .

It is not an unprimeable number, because it can be changed into a prime (678923083) 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, 52282 + ... + 63962.

Almost surely, 2^678923082 is an apocalyptic number.

678923082 is an abundant number, since it is smaller than the sum of its proper divisors (792658458).

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

678923082 is a wasteful number, since it uses less digits than its factorization.

678923082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14918 (or 14915 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 678923082 is about 26056.1524788293. The cubic root of 678923082 is about 878.9014710157.

The spelling of 678923082 in words is "six hundred seventy-eight million, nine hundred twenty-three thousand, eighty-two".