86650836668 has 24 divisors (see below), whose sum is σ = 165453582000. Its totient is φ = 39379777920.

The previous prime is 86650836667. The next prime is 86650836689. The reversal of 86650836668 is 86663805668.

It is a self number, because there is not a number n which added to its sum of digits gives 86650836668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86650836667) 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 7 ways as a sum of consecutive naturals, for example, 81680 + ... + 424232.

It is an arithmetic number, because the mean of its divisors is an integer number (6893899250).

Almost surely, 2^86650836668 is an apocalyptic number.

It is an amenable number.

86650836668 is a deficient number, since it is larger than the sum of its proper divisors (78802745332).

86650836668 is a wasteful number, since it uses less digits than its factorization.

86650836668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348317 (or 348315 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 62.

The spelling of 86650836668 in words is "eighty-six billion, six hundred fifty million, eight hundred thirty-six thousand, six hundred sixty-eight".