678918740200 has 24 divisors (see below), whose sum is σ = 1578486071430. Its totient is φ = 271567496000.

The previous prime is 678918740191. The next prime is 678918740237. The reversal of 678918740200 is 2047819876.

678918740200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 661980758884 + 16937981316 = 813622^2 + 130146^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1697296651 + ... + 1697297050.

Almost surely, 2^678918740200 is an apocalyptic number.

It is an amenable number.

678918740200 is an abundant number, since it is smaller than the sum of its proper divisors (899567331230).

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

678918740200 is a wasteful number, since it uses less digits than its factorization.

678918740200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394593717 (or 3394593708 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 678918740200 in words is "six hundred seventy-eight billion, nine hundred eighteen million, seven hundred forty thousand, two hundred".