86886780510081 has 24 divisors (see below), whose sum is σ = 122281239291744. Its totient is φ = 54869591730240.

The previous prime is 86886780510077. The next prime is 86886780510107. The reversal of 86886780510081 is 18001508768868.

It is not a de Polignac number, because 86886780510081 - 2² = 86886780510077 is a prime.

It is a super-2 number, since 2×86886780510081² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86886780509994 and 86886780510021.

It is not an unprimeable number, because it can be changed into a prime (86886780510011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4909470 + ... + 14066856.

It is an arithmetic number, because the mean of its divisors is an integer number (5095051637156).

Almost surely, 2^{86886780510081} is an apocalyptic number.

It is an amenable number.

86886780510081 is a deficient number, since it is larger than the sum of its proper divisors (35394458781663).

86886780510081 is a wasteful number, since it uses less digits than its factorization.

86886780510081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9166189 (or 9166170 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 66.

The spelling of 86886780510081 in words is "eighty-six trillion, eight hundred eighty-six billion, seven hundred eighty million, five hundred ten thousand, eighty-one".