86186008427 has 4 divisors (see below), whose sum is σ = 86292543240. Its totient is φ = 86079473616.

The previous prime is 86186008351. The next prime is 86186008477. The reversal of 86186008427 is 72480068168.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86186008427 - 2²⁰ = 86184959851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86186008477) 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 3 ways as a sum of consecutive naturals, for example, 53266193 + ... + 53267810.

It is an arithmetic number, because the mean of its divisors is an integer number (21573135810).

Almost surely, 2^86186008427 is an apocalyptic number.

86186008427 is a deficient number, since it is larger than the sum of its proper divisors (106534813).

86186008427 is a wasteful number, since it uses less digits than its factorization.

86186008427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106534812.

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 86186008427 in words is "eighty-six billion, one hundred eighty-six million, eight thousand, four hundred twenty-seven".