678895116800 has 60 divisors (see below), whose sum is σ = 1682015722266. Its totient is φ = 271558041600.

The previous prime is 678895116751. The next prime is 678895116859. The reversal of 678895116800 is 8611598876.

It can be written as a sum of positive squares in 3 ways, for example, as 513825177856 + 165069938944 = 716816^2 + 406288^2 .

It is a super-2 number, since 2×678895116800² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 678895116800.

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, 26506541 + ... + 26532140.

Almost surely, 2^678895116800 is an apocalyptic number.

It is an amenable number.

678895116800 is an abundant number, since it is smaller than the sum of its proper divisors (1003120605466).

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

678895116800 is an equidigital number, since it uses as much as digits as its factorization.

678895116800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53038709 (or 53038688 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 59.

The spelling of 678895116800 in words is "six hundred seventy-eight billion, eight hundred ninety-five million, one hundred sixteen thousand, eight hundred".