678587004 has 24 divisors (see below), whose sum is σ = 1759299920. Its totient is φ = 226195632.

The previous prime is 678587003. The next prime is 678587017. The reversal of 678587004 is 400785876.

678587004 is a `hidden beast` number, since 67 + 8 + 587 + 0 + 0 + 4 = 666.

678587004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678587003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3141499 + ... + 3141714.

Almost surely, 2^678587004 is an apocalyptic number.

It is an amenable number.

678587004 is an abundant number, since it is smaller than the sum of its proper divisors (1080712916).

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

678587004 is a wasteful number, since it uses less digits than its factorization.

678587004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6283226 (or 6283218 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 678587004 is about 26049.7025702790. The cubic root of 678587004 is about 878.7564235579.

The spelling of 678587004 in words is "six hundred seventy-eight million, five hundred eighty-seven thousand, four".