86818436824 has 48 divisors (see below), whose sum is σ = 197626780080. Its totient is φ = 35019194880.

The previous prime is 86818436819. The next prime is 86818436851. The reversal of 86818436824 is 42863481868.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 2666047 + ... + 2698414.

It is an arithmetic number, because the mean of its divisors is an integer number (4117224585).

Almost surely, 2^86818436824 is an apocalyptic number.

It is an amenable number.

86818436824 is an abundant number, since it is smaller than the sum of its proper divisors (110808343256).

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

86818436824 is a wasteful number, since it uses less digits than its factorization.

86818436824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5364508 (or 5364487 counting only the distinct ones).

The product of its digits is 14155776, while the sum is 58.

The spelling of 86818436824 in words is "eighty-six billion, eight hundred eighteen million, four hundred thirty-six thousand, eight hundred twenty-four".