57828078 has 72 divisors (see below), whose sum is σ = 157435824. Its totient is φ = 15016320.

The previous prime is 57828047. The next prime is 57828103. The reversal of 57828078 is 87082875.

It is a happy number.

57828078 is a `hidden beast` number, since 578 + 2 + 8 + 0 + 78 = 666.

It is a congruent number.

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, 13350 + ... + 17142.

Almost surely, 2^57828078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57828078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78717912).

57828078 is an abundant number, since it is smaller than the sum of its proper divisors (99607746).

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

57828078 is a wasteful number, since it uses less digits than its factorization.

57828078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830 (or 3816 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 45.

The square root of 57828078 is about 7604.4774968436. The cubic root of 57828078 is about 386.7048206835.

The spelling of 57828078 in words is "fifty-seven million, eight hundred twenty-eight thousand, seventy-eight".