57738316784721 has 8 divisors (see below), whose sum is σ = 77665700454240. Its totient is φ = 38151572152512.

The previous prime is 57738316784711. The next prime is 57738316784789. The reversal of 57738316784721 is 12748761383775.

57738316784721 is digitally balanced in base 2, because in such base 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.

It is not a de Polignac number, because 57738316784721 - 2⁹ = 57738316784209 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57738316784711) 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 7 ways as a sum of consecutive naturals, for example, 85159758931 + ... + 85159759608.

It is an arithmetic number, because the mean of its divisors is an integer number (9708212556780).

Almost surely, 2^{57738316784721} is an apocalyptic number.

It is an amenable number.

57738316784721 is a deficient number, since it is larger than the sum of its proper divisors (19927383669519).

57738316784721 is a wasteful number, since it uses less digits than its factorization.

57738316784721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170319518655.

The product of its digits is 331914240, while the sum is 69.

The spelling of 57738316784721 in words is "fifty-seven trillion, seven hundred thirty-eight billion, three hundred sixteen million, seven hundred eighty-four thousand, seven hundred twenty-one".