86027691686 has 4 divisors (see below), whose sum is σ = 129041537532. Its totient is φ = 43013845842.

The previous prime is 86027691661. The next prime is 86027691719. The reversal of 86027691686 is 68619672068.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 21506922920 + ... + 21506922923.

It is an arithmetic number, because the mean of its divisors is an integer number (32260384383).

Almost surely, 2^86027691686 is an apocalyptic number.

86027691686 is a deficient number, since it is larger than the sum of its proper divisors (43013845846).

86027691686 is a wasteful number, since it uses less digits than its factorization.

86027691686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43013845845.

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 86027691686 in words is "eighty-six billion, twenty-seven million, six hundred ninety-one thousand, six hundred eighty-six".