86681495897 has 8 divisors (see below), whose sum is σ = 89571594240. Its totient is φ = 83797267680.

The previous prime is 86681495881. The next prime is 86681495899. The reversal of 86681495897 is 79859418668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86681495897 - 2⁴ = 86681495881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86681495897.

It is not an unprimeable number, because it can be changed into a prime (86681495899) 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, 1437497 + ... + 1496582.

It is an arithmetic number, because the mean of its divisors is an integer number (11196449280).

Almost surely, 2^86681495897 is an apocalyptic number.

It is an amenable number.

86681495897 is a deficient number, since it is larger than the sum of its proper divisors (2890098343).

86681495897 is a wasteful number, since it uses less digits than its factorization.

86681495897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2935063.

The product of its digits is 209018880, while the sum is 71.

The spelling of 86681495897 in words is "eighty-six billion, six hundred eighty-one million, four hundred ninety-five thousand, eight hundred ninety-seven".