57728008770 has 32 divisors (see below), whose sum is σ = 138689100288. Its totient is φ = 15378371328.

The previous prime is 57728008753. The next prime is 57728008783. The reversal of 57728008770 is 7780082775.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 955474 + ... + 1014093.

It is an arithmetic number, because the mean of its divisors is an integer number (4334034384).

Almost surely, 2^57728008770 is an apocalyptic number.

57728008770 is an abundant number, since it is smaller than the sum of its proper divisors (80961091518).

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

57728008770 is a wasteful number, since it uses less digits than its factorization.

57728008770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970554.

The product of its (nonzero) digits is 1536640, while the sum is 51.

The spelling of 57728008770 in words is "fifty-seven billion, seven hundred twenty-eight million, eight thousand, seven hundred seventy".