678027687080 has 64 divisors (see below), whose sum is σ = 1529161200000. Its totient is φ = 270571670784.

The previous prime is 678027687061. The next prime is 678027687109. The reversal of 678027687080 is 80786720876.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90195482 + ... + 90202998.

It is an arithmetic number, because the mean of its divisors is an integer number (23893143750).

Almost surely, 2^678027687080 is an apocalyptic number.

It is an amenable number.

678027687080 is an abundant number, since it is smaller than the sum of its proper divisors (851133512920).

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

678027687080 is a wasteful number, since it uses less digits than its factorization.

678027687080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12546 (or 12542 counting only the distinct ones).

The product of its (nonzero) digits is 12644352, while the sum is 59.

The spelling of 678027687080 in words is "six hundred seventy-eight billion, twenty-seven million, six hundred eighty-seven thousand, eighty".