57778028328 has 16 divisors (see below), whose sum is σ = 144445070880. Its totient is φ = 19259342768.

The previous prime is 57778028327. The next prime is 57778028351. The reversal of 57778028328 is 82382087775.

It is not an unprimeable number, because it can be changed into a prime (57778028327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203708900 + ... + 1203708947.

It is an arithmetic number, because the mean of its divisors is an integer number (9027816930).

Almost surely, 2^57778028328 is an apocalyptic number.

It is an amenable number.

57778028328 is an abundant number, since it is smaller than the sum of its proper divisors (86667042552).

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

57778028328 is a wasteful number, since it uses less digits than its factorization.

57778028328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407417856 (or 2407417852 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 57.

The spelling of 57778028328 in words is "fifty-seven billion, seven hundred seventy-eight million, twenty-eight thousand, three hundred twenty-eight".