678895116846 has 64 divisors (see below), whose sum is σ = 1396288281600. Its totient is φ = 219974616576.

The previous prime is 678895116751. The next prime is 678895116859. The reversal of 678895116846 is 648611598876.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68370010 + ... + 68379938.

It is an arithmetic number, because the mean of its divisors is an integer number (21817004400).

Almost surely, 2^678895116846 is an apocalyptic number.

678895116846 is an abundant number, since it is smaller than the sum of its proper divisors (717393164754).

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

678895116846 is a wasteful number, since it uses less digits than its factorization.

678895116846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12233.

The product of its digits is 139345920, while the sum is 69.

The spelling of 678895116846 in words is "six hundred seventy-eight billion, eight hundred ninety-five million, one hundred sixteen thousand, eight hundred forty-six".