57728266683 has 8 divisors (see below), whose sum is σ = 77177380368. Its totient is φ = 38382332064.

The previous prime is 57728266643. The next prime is 57728266703. The reversal of 57728266683 is 38666282775.

It is a happy number.

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

It is not a de Polignac number, because 57728266683 - 2¹² = 57728262587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57728266643) 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, 25793460 + ... + 25795697.

It is an arithmetic number, because the mean of its divisors is an integer number (9647172546).

Almost surely, 2^57728266683 is an apocalyptic number.

57728266683 is a deficient number, since it is larger than the sum of its proper divisors (19449113685).

57728266683 is a wasteful number, since it uses less digits than its factorization.

57728266683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51589533.

The product of its digits is 40642560, while the sum is 60.

The spelling of 57728266683 in words is "fifty-seven billion, seven hundred twenty-eight million, two hundred sixty-six thousand, six hundred eighty-three".