86305804720 has 20 divisors (see below), whose sum is σ = 200660996160. Its totient is φ = 34522321856.

The previous prime is 86305804709. The next prime is 86305804723. The reversal of 86305804720 is 2740850368.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (86305804723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539411200 + ... + 539411359.

It is an arithmetic number, because the mean of its divisors is an integer number (10033049808).

Almost surely, 2^86305804720 is an apocalyptic number.

86305804720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86305804720 is an abundant number, since it is smaller than the sum of its proper divisors (114355191440).

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

86305804720 is a wasteful number, since it uses less digits than its factorization.

86305804720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078822572 (or 1078822566 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 86305804720 in words is "eighty-six billion, three hundred five million, eight hundred four thousand, seven hundred twenty".