57871474785 has 128 divisors (see below), whose sum is σ = 107989701120. Its totient is φ = 29378764800.

The previous prime is 57871474763. The next prime is 57871474861. The reversal of 57871474785 is 58747417875.

57871474785 is a `hidden beast` number, since 5 + 7 + 87 + 1 + 474 + 7 + 85 = 666.

It is not a de Polignac number, because 57871474785 - 2⁷ = 57871474657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 41904795 + ... + 41906175.

It is an arithmetic number, because the mean of its divisors is an integer number (843669540).

Almost surely, 2^57871474785 is an apocalyptic number.

It is an amenable number.

57871474785 is a deficient number, since it is larger than the sum of its proper divisors (50118226335).

57871474785 is a wasteful number, since it uses less digits than its factorization.

57871474785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616 (or 1610 counting only the distinct ones).

The product of its digits is 61465600, while the sum is 63.

The spelling of 57871474785 in words is "fifty-seven billion, eight hundred seventy-one million, four hundred seventy-four thousand, seven hundred eighty-five".