85860057138 has 8 divisors (see below), whose sum is σ = 171720114288. Its totient is φ = 28620019044.

The previous prime is 85860057121. The next prime is 85860057161. The reversal of 85860057138 is 83175006858.

It is a sphenic number, since it is the product of 3 distinct primes.

85860057138 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7155004756 + ... + 7155004767.

It is an arithmetic number, because the mean of its divisors is an integer number (21465014286).

Almost surely, 2^85860057138 is an apocalyptic number.

85860057138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

85860057138 is a wasteful number, since it uses less digits than its factorization.

85860057138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14310009528.

The product of its (nonzero) digits is 1612800, while the sum is 51.

The spelling of 85860057138 in words is "eighty-five billion, eight hundred sixty million, fifty-seven thousand, one hundred thirty-eight".