86640682084 has 12 divisors (see below), whose sum is σ = 165404938608. Its totient is φ = 39382128200.

The previous prime is 86640682067. The next prime is 86640682097. The reversal of 86640682084 is 48028604668.

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 in 3 ways as a sum of consecutive naturals, for example, 984553162 + ... + 984553249.

It is an arithmetic number, because the mean of its divisors is an integer number (13783744884).

Almost surely, 2^86640682084 is an apocalyptic number.

It is an amenable number.

86640682084 is a deficient number, since it is larger than the sum of its proper divisors (78764256524).

86640682084 is a wasteful number, since it uses less digits than its factorization.

86640682084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969106426 (or 1969106424 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 52.

The spelling of 86640682084 in words is "eighty-six billion, six hundred forty million, six hundred eighty-two thousand, eighty-four".