86186224861 has 32 divisors (see below), whose sum is σ = 102089859840. Its totient is φ = 71885721600.

The previous prime is 86186224829. The next prime is 86186224889. The reversal of 86186224861 is 16842268168.

It is a happy number.

It is not a de Polignac number, because 86186224861 - 2⁵ = 86186224829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86186224799 and 86186224808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86186224261) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1145185 + ... + 1218121.

It is an arithmetic number, because the mean of its divisors is an integer number (3190308120).

Almost surely, 2^86186224861 is an apocalyptic number.

It is an amenable number.

86186224861 is a deficient number, since it is larger than the sum of its proper divisors (15903634979).

86186224861 is a wasteful number, since it uses less digits than its factorization.

86186224861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73125.

The product of its digits is 1769472, while the sum is 52.

The spelling of 86186224861 in words is "eighty-six billion, one hundred eighty-six million, two hundred twenty-four thousand, eight hundred sixty-one".