57678 has 8 divisors (see below), whose sum is σ = 115368. Its totient is φ = 19224.

The previous prime is 57667. The next prime is 57679. The reversal of 57678 is 87675.

57678 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

57678 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57679) by changing a digit.

57678 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4801 + ... + 4812.

It is an arithmetic number, because the mean of its divisors is an integer number (14421).

2⁵⁷⁶⁷⁸ is an apocalyptic number.

57678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57684).

57678 is a wasteful number, since it uses less digits than its factorization.

57678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9618.

The product of its digits is 11760, while the sum is 33.

The square root of 57678 is about 240.1624450242. The cubic root of 57678 is about 38.6369999685.

It can be divided in two parts, 5767 and 8, that added together give a palindrome (5775).

The spelling of 57678 in words is "fifty-seven thousand, six hundred seventy-eight".