678587000 has 128 divisors (see below), whose sum is σ = 1954592640. Its totient is φ = 214732800.

The previous prime is 678586949. The next prime is 678587003. The reversal of 678587000 is 785876.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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 31 ways as a sum of consecutive naturals, for example, 87272 + ... + 94728.

It is an arithmetic number, because the mean of its divisors is an integer number (15270255).

Almost surely, 2^678587000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 678587000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (977296320).

678587000 is an abundant number, since it is smaller than the sum of its proper divisors (1276005640).

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

678587000 is a wasteful number, since it uses less digits than its factorization.

678587000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7498 (or 7484 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 678587000 is about 26049.7024935027. The cubic root of 678587000 is about 878.7564218313.

The spelling of 678587000 in words is "six hundred seventy-eight million, five hundred eighty-seven thousand".