678572117328 has 320 divisors, whose sum is σ = 2139003666432. Its totient is φ = 181161277440.

The previous prime is 678572117269. The next prime is 678572117347. The reversal of 678572117328 is 823711275876.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 237178618 + ... + 237181478.

Almost surely, 2^678572117328 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 678572117328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1069501833216).

678572117328 is an abundant number, since it is smaller than the sum of its proper divisors (1460431549104).

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

678572117328 is a wasteful number, since it uses less digits than its factorization.

678572117328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602 (or 3596 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 57.

The spelling of 678572117328 in words is "six hundred seventy-eight billion, five hundred seventy-two million, one hundred seventeen thousand, three hundred twenty-eight".