57706810881806 has 16 divisors (see below), whose sum is σ = 86578431902160. Its totient is φ = 28847333986560.

The previous prime is 57706810881793. The next prime is 57706810881827. The reversal of 57706810881806 is 60818801860775.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344391326 + ... + 344558846.

It is an arithmetic number, because the mean of its divisors is an integer number (5411151993885).

Almost surely, 2^{57706810881806} is an apocalyptic number.

57706810881806 is a deficient number, since it is larger than the sum of its proper divisors (28871621020354).

57706810881806 is a wasteful number, since it uses less digits than its factorization.

57706810881806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202739.

The product of its (nonzero) digits is 36126720, while the sum is 65.

The spelling of 57706810881806 in words is "fifty-seven trillion, seven hundred six billion, eight hundred ten million, eight hundred eighty-one thousand, eight hundred six".