678350889216 has 1080 divisors, whose sum is σ = 2737314759872. Its totient is φ = 162586828800.

The previous prime is 678350889191. The next prime is 678350889283. The reversal of 678350889216 is 612988053876.

678350889216 is a `hidden beast` number, since 67 + 8 + 350 + 8 + 8 + 9 + 216 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 228322611 + ... + 228325581.

Almost surely, 2^678350889216 is an apocalyptic number.

678350889216 is a gapful number since it is divisible by the number (66) 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 678350889216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1368657379936).

678350889216 is an abundant number, since it is smaller than the sum of its proper divisors (2058963870656).

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

678350889216 is a wasteful number, since it uses less digits than its factorization.

678350889216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041 (or 3007 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 678350889216 in words is "six hundred seventy-eight billion, three hundred fifty million, eight hundred eighty-nine thousand, two hundred sixteen".