86557186541 has 16 divisors (see below), whose sum is σ = 99198234240. Its totient is φ = 73985356800.

The previous prime is 86557186481. The next prime is 86557186571. The reversal of 86557186541 is 14568175568.

It is a cyclic number.

It is not a de Polignac number, because 86557186541 - 2⁶ = 86557186477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86557186571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3897230 + ... + 3919376.

It is an arithmetic number, because the mean of its divisors is an integer number (6199889640).

Almost surely, 2^86557186541 is an apocalyptic number.

It is an amenable number.

86557186541 is a deficient number, since it is larger than the sum of its proper divisors (12641047699).

86557186541 is a wasteful number, since it uses less digits than its factorization.

86557186541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23684.

The product of its digits is 8064000, while the sum is 56.

The spelling of 86557186541 in words is "eighty-six billion, five hundred fifty-seven million, one hundred eighty-six thousand, five hundred forty-one".