57886601985 has 12 divisors (see below), whose sum is σ = 100336776852. Its totient is φ = 30872854368.

The previous prime is 57886601977. The next prime is 57886602041. The reversal of 57886601985 is 58910668875.

It can be written as a sum of positive squares in 2 ways, for example, as 30163352976 + 27723249009 = 173676^2 + 166503^2 .

It is not a de Polignac number, because 57886601985 - 2³ = 57886601977 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 643184422 + ... + 643184511.

It is an arithmetic number, because the mean of its divisors is an integer number (8361398071).

Almost surely, 2^57886601985 is an apocalyptic number.

It is an amenable number.

57886601985 is a deficient number, since it is larger than the sum of its proper divisors (42450174867).

57886601985 is a wasteful number, since it uses less digits than its factorization.

57886601985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286368944 (or 1286368941 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 63.

The spelling of 57886601985 in words is "fifty-seven billion, eight hundred eighty-six million, six hundred one thousand, nine hundred eighty-five".