678589082 has 12 divisors (see below), whose sum is σ = 1022864778. Its totient is φ = 337642200.

The previous prime is 678589081. The next prime is 678589117. The reversal of 678589082 is 280985876.

It can be written as a sum of positive squares in only one way, i.e., 454158721 + 224430361 = 21311^2 + 14981^2 .

It is not an unprimeable number, because it can be changed into a prime (678589081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85232 + ... + 92852.

Almost surely, 2^678589082 is an apocalyptic number.

678589082 is a deficient number, since it is larger than the sum of its proper divisors (344275696).

678589082 is an equidigital number, since it uses as much as digits as its factorization.

678589082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045 (or 7834 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 53.

The square root of 678589082 is about 26049.7424555407. The cubic root of 678589082 is about 878.7573205463.

The spelling of 678589082 in words is "six hundred seventy-eight million, five hundred eighty-nine thousand, eighty-two".