86538120885165 has 32 divisors (see below), whose sum is σ = 139086244039680. Its totient is φ = 45945260545536.

The previous prime is 86538120885121. The next prime is 86538120885191. The reversal of 86538120885165 is 56158802183568.

It is not a de Polignac number, because 86538120885165 - 2¹¹ = 86538120883117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86538120885096 and 86538120885105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111177951 + ... + 111953619.

It is an arithmetic number, because the mean of its divisors is an integer number (4346445126240).

Almost surely, 2^{86538120885165} is an apocalyptic number.

It is an amenable number.

86538120885165 is a deficient number, since it is larger than the sum of its proper divisors (52548123154515).

86538120885165 is a wasteful number, since it uses less digits than its factorization.

86538120885165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809253.

The product of its (nonzero) digits is 110592000, while the sum is 66.

The spelling of 86538120885165 in words is "eighty-six trillion, five hundred thirty-eight billion, one hundred twenty million, eight hundred eighty-five thousand, one hundred sixty-five".