86786854527 has 4 divisors (see below), whose sum is σ = 115715806040. Its totient is φ = 57857903016.

The previous prime is 86786854519. The next prime is 86786854589. The reversal of 86786854527 is 72545868768.

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

It is not a de Polignac number, because 86786854527 - 2³ = 86786854519 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 (86786854597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14464475752 + ... + 14464475757.

It is an arithmetic number, because the mean of its divisors is an integer number (28928951510).

Almost surely, 2^86786854527 is an apocalyptic number.

86786854527 is a deficient number, since it is larger than the sum of its proper divisors (28928951513).

86786854527 is a wasteful number, since it uses less digits than its factorization.

86786854527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28928951512.

The product of its digits is 180633600, while the sum is 66.

The spelling of 86786854527 in words is "eighty-six billion, seven hundred eighty-six million, eight hundred fifty-four thousand, five hundred twenty-seven".