86529665871 has 12 divisors (see below), whose sum is σ = 136349776680. Its totient is φ = 52442221680.

The previous prime is 86529665857. The next prime is 86529665881. The reversal of 86529665871 is 17856692568.

It is not a de Polignac number, because 86529665871 - 2⁷ = 86529665743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86529665799 and 86529665808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86529665881) 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 11 ways as a sum of consecutive naturals, for example, 437018416 + ... + 437018613.

It is an arithmetic number, because the mean of its divisors is an integer number (11362481390).

Almost surely, 2^86529665871 is an apocalyptic number.

86529665871 is a deficient number, since it is larger than the sum of its proper divisors (49820110809).

86529665871 is a wasteful number, since it uses less digits than its factorization.

86529665871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874037046 (or 874037043 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 63.

The spelling of 86529665871 in words is "eighty-six billion, five hundred twenty-nine million, six hundred sixty-five thousand, eight hundred seventy-one".