678590803800 has 432 divisors, whose sum is σ = 2820262058640. Its totient is φ = 143174753280.

The previous prime is 678590803789. The next prime is 678590803801. The reversal of 678590803800 is 8308095876.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678590803801) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1970062 + ... + 2288738.

It is an arithmetic number, because the mean of its divisors is an integer number (6528384395).

Almost surely, 2^678590803800 is an apocalyptic number.

678590803800 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 678590803800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1410131029320).

678590803800 is an abundant number, since it is smaller than the sum of its proper divisors (2141671254840).

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

678590803800 is a wasteful number, since it uses less digits than its factorization.

678590803800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318732 (or 318707 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 678590803800 in words is "six hundred seventy-eight billion, five hundred ninety million, eight hundred three thousand, eight hundred".