86705421068 has 24 divisors (see below), whose sum is σ = 180950445312. Its totient is φ = 35543836944.

The previous prime is 86705421067. The next prime is 86705421107. The reversal of 86705421068 is 86012450768.

It is not an unprimeable number, because it can be changed into a prime (86705421067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67317230 + ... + 67318517.

It is an arithmetic number, because the mean of its divisors is an integer number (7539601888).

Almost surely, 2^86705421068 is an apocalyptic number.

It is an amenable number.

86705421068 is an abundant number, since it is smaller than the sum of its proper divisors (94245024244).

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

86705421068 is a wasteful number, since it uses less digits than its factorization.

86705421068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134635781 (or 134635779 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 86705421068 in words is "eighty-six billion, seven hundred five million, four hundred twenty-one thousand, sixty-eight".