678598452084 has 96 divisors (see below), whose sum is σ = 1822078720000. Its totient is φ = 192548534400.

The previous prime is 678598452079. The next prime is 678598452097. The reversal of 678598452084 is 480254895876.

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, 88137267 + ... + 88144965.

Almost surely, 2^678598452084 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 678598452084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (911039360000).

678598452084 is an abundant number, since it is smaller than the sum of its proper divisors (1143480267916).

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

678598452084 is a wasteful number, since it uses less digits than its factorization.

678598452084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14813 (or 14811 counting only the distinct ones).

The product of its (nonzero) digits is 154828800, while the sum is 66.

The spelling of 678598452084 in words is "six hundred seventy-eight billion, five hundred ninety-eight million, four hundred fifty-two thousand, eighty-four".