86136393727 has 4 divisors (see below), whose sum is σ = 87316344400. Its totient is φ = 84956443056.

The previous prime is 86136393709. The next prime is 86136393779. The reversal of 86136393727 is 72739363168.

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 86136393727 - 2²⁷ = 86002175999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86136396727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589975227 + ... + 589975372.

It is an arithmetic number, because the mean of its divisors is an integer number (21829086100).

Almost surely, 2^86136393727 is an apocalyptic number.

86136393727 is a deficient number, since it is larger than the sum of its proper divisors (1179950673).

86136393727 is a wasteful number, since it uses less digits than its factorization.

86136393727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179950672.

The product of its digits is 6858432, while the sum is 55.

The spelling of 86136393727 in words is "eighty-six billion, one hundred thirty-six million, three hundred ninety-three thousand, seven hundred twenty-seven".