57005781886 has 16 divisors (see below), whose sum is σ = 85993683840. Its totient is φ = 28341676440.

The previous prime is 57005781853. The next prime is 57005781901. The reversal of 57005781886 is 68818750075.

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, 137295 + ... + 364501.

It is an arithmetic number, because the mean of its divisors is an integer number (5374605240).

Almost surely, 2^57005781886 is an apocalyptic number.

57005781886 is a deficient number, since it is larger than the sum of its proper divisors (28987901954).

57005781886 is a wasteful number, since it uses less digits than its factorization.

57005781886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227919.

The product of its (nonzero) digits is 3763200, while the sum is 55.

The spelling of 57005781886 in words is "fifty-seven billion, five million, seven hundred eighty-one thousand, eight hundred eighty-six".