57678539473872 has 80 divisors (see below), whose sum is σ = 174272390248000. Its totient is φ = 18214275620736.

The previous prime is 57678539473871. The next prime is 57678539473913. The reversal of 57678539473872 is 27837493587675.

57678539473872 is a `hidden beast` number, since 5 + 7 + 6 + 7 + 8 + 539 + 4 + 7 + 3 + 8 + 72 = 666.

57678539473872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 57678539473791 and 57678539473800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57678539473871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3513548047 + ... + 3513564462.

It is an arithmetic number, because the mean of its divisors is an integer number (2178404878100).

Almost surely, 2^{57678539473872} is an apocalyptic number.

It is an amenable number.

57678539473872 is an abundant number, since it is smaller than the sum of its proper divisors (116593850774128).

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

57678539473872 is a wasteful number, since it uses less digits than its factorization.

57678539473872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7027112545 (or 7027112533 counting only the distinct ones).

The product of its digits is 14936140800, while the sum is 81.

The spelling of 57678539473872 in words is "fifty-seven trillion, six hundred seventy-eight billion, five hundred thirty-nine million, four hundred seventy-three thousand, eight hundred seventy-two".