678208608000 has 2592 divisors, whose sum is σ = 3291828216768. Its totient is φ = 132120576000.

The previous prime is 678208607981. The next prime is 678208608037. The reversal of 678208608000 is 806802876.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 2638943872 + ... + 2638944128.

It is an arithmetic number, because the mean of its divisors is an integer number (1269995454).

Almost surely, 2^678208608000 is an apocalyptic number.

678208608000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 678208608000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1645914108384).

678208608000 is an abundant number, since it is smaller than the sum of its proper divisors (2613619608768).

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

678208608000 is a wasteful number, since it uses less digits than its factorization.

678208608000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 678208608000 in words is "six hundred seventy-eight billion, two hundred eight million, six hundred eight thousand".