57788887078 has 16 divisors (see below), whose sum is σ = 94032681120. Its totient is φ = 26477107776.

The previous prime is 57788887043. The next prime is 57788887097. The reversal of 57788887078 is 87078888775.

57788887078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 57788887078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8108298 + ... + 8115421.

It is an arithmetic number, because the mean of its divisors is an integer number (5877042570).

Almost surely, 2^57788887078 is an apocalyptic number.

57788887078 is a deficient number, since it is larger than the sum of its proper divisors (36243794042).

57788887078 is a wasteful number, since it uses less digits than its factorization.

57788887078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16223871.

The product of its (nonzero) digits is 393379840, while the sum is 73.

The spelling of 57788887078 in words is "fifty-seven billion, seven hundred eighty-eight million, eight hundred eighty-seven thousand, seventy-eight".