678004368 has 80 divisors (see below), whose sum is σ = 1775332800. Its totient is φ = 222953472.

The previous prime is 678004361. The next prime is 678004399. The reversal of 678004368 is 863400876.

It is not an unprimeable number, because it can be changed into a prime (678004361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1509808 + ... + 1510256.

It is an arithmetic number, because the mean of its divisors is an integer number (22191660).

Almost surely, 2^678004368 is an apocalyptic number.

It is an amenable number.

678004368 is an abundant number, since it is smaller than the sum of its proper divisors (1097328432).

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

678004368 is a wasteful number, since it uses less digits than its factorization.

678004368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 678004368 is about 26038.5170084627. The cubic root of 678004368 is about 878.5048509382.

The spelling of 678004368 in words is "six hundred seventy-eight million, four thousand, three hundred sixty-eight".