678822216200 has 324 divisors, whose sum is σ = 1764466503765. Its totient is φ = 242804869120.

The previous prime is 678822216161. The next prime is 678822216227. The reversal of 678822216200 is 2612228876.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 14 ways, for example, as 52751983684 + 626070232516 = 229678^2 + 791246^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=582590.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 4555853726 + ... + 4555853874.

Almost surely, 2^678822216200 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 678822216200

678822216200 is an abundant number, since it is smaller than the sum of its proper divisors (1085644287565).

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

678822216200 is a wasteful number, since it uses less digits than its factorization.

678822216200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 678822216200 in words is "six hundred seventy-eight billion, eight hundred twenty-two million, two hundred sixteen thousand, two hundred".