86818081868 has 24 divisors (see below), whose sum is σ = 173984160000. Its totient is φ = 37133178768.

The previous prime is 86818081849. The next prime is 86818081871.

86818081868 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 86818081868.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3092888 + ... + 3120831.

It is an arithmetic number, because the mean of its divisors is an integer number (7249340000).

Almost surely, 2^86818081868 is an apocalyptic number.

It is an amenable number.

86818081868 is an abundant number, since it is smaller than the sum of its proper divisors (87166078132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86818081868 is a wasteful number, since it uses less digits than its factorization.

86818081868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6214229 (or 6214227 counting only the distinct ones).

The product of its (nonzero) digits is 9437184, while the sum is 62.

The spelling of 86818081868 in words is "eighty-six billion, eight hundred eighteen million, eighty-one thousand, eight hundred sixty-eight".