678081134592 has 612 divisors, whose sum is σ = 2166981114480. Its totient is φ = 211550994432.

The previous prime is 678081134569. The next prime is 678081134609. The reversal of 678081134592 is 295431180876.

678081134592 is a `hidden beast` number, since 6 + 7 + 8 + 0 + 8 + 11 + 34 + 592 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8169652183 + ... + 8169652265.

It is a 1-persistent number, because it is pandigital, but 2⋅678081134592 = 1356162269184 is not.

Almost surely, 2^678081134592 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 678081134592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1083490557240).

678081134592 is an abundant number, since it is smaller than the sum of its proper divisors (1488899979888).

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

678081134592 is an frugal number, since it uses more digits than its factorization.

678081134592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 678081134592 in words is "six hundred seventy-eight billion, eighty-one million, one hundred thirty-four thousand, five hundred ninety-two".