86721084584569 has 8 divisors (see below), whose sum is σ = 86738337211680. Its totient is φ = 86703832800000.

The previous prime is 86721084584513. The next prime is 86721084584647. The reversal of 86721084584569 is 96548548012768.

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 86721084584569 - 2¹¹ = 86721084582521 is a prime.

It is a super-2 number, since 2×86721084584569² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86721084584369) 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, 230452569 + ... + 230828569.

It is an arithmetic number, because the mean of its divisors is an integer number (10842292151460).

Almost surely, 2^{86721084584569} is an apocalyptic number.

It is an amenable number.

86721084584569 is a deficient number, since it is larger than the sum of its proper divisors (17252627111).

86721084584569 is a wasteful number, since it uses less digits than its factorization.

86721084584569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421271.

The product of its (nonzero) digits is 928972800, while the sum is 73.

The spelling of 86721084584569 in words is "eighty-six trillion, seven hundred twenty-one billion, eighty-four million, five hundred eighty-four thousand, five hundred sixty-nine".