57678384642 has 16 divisors (see below), whose sum is σ = 120372281280. Its totient is φ = 18390209552.

The previous prime is 57678384587. The next prime is 57678384649. The reversal of 57678384642 is 24648387675.

It is a happy number.

57678384642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (57678384649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208979517 + ... + 208979792.

It is an arithmetic number, because the mean of its divisors is an integer number (7523267580).

Almost surely, 2^57678384642 is an apocalyptic number.

57678384642 is an abundant number, since it is smaller than the sum of its proper divisors (62693896638).

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

57678384642 is a wasteful number, since it uses less digits than its factorization.

57678384642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417959337.

The product of its digits is 54190080, while the sum is 60.

The spelling of 57678384642 in words is "fifty-seven billion, six hundred seventy-eight million, three hundred eighty-four thousand, six hundred forty-two".