678975232000 has 192 divisors, whose sum is σ = 1824648789600. Its totient is φ = 250697318400.

The previous prime is 678975231997. The next prime is 678975232037. The reversal of 678975232000 is 232579876.

It is a super-2 number, since 2×678975232000² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 3225991 + ... + 3430009.

Almost surely, 2^678975232000 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 678975232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (912324394800).

678975232000 is an abundant number, since it is smaller than the sum of its proper divisors (1145673557600).

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

678975232000 is a wasteful number, since it uses less digits than its factorization.

678975232000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204069 (or 204039 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 678975232000 in words is "six hundred seventy-eight billion, nine hundred seventy-five million, two hundred thirty-two thousand".