86689391027569 has 16 divisors (see below), whose sum is σ = 96127857869760. Its totient is φ = 77510722104000.

The previous prime is 86689391027567. The next prime is 86689391027579. The reversal of 86689391027569 is 96572019398668.

It is a cyclic number.

It is not a de Polignac number, because 86689391027569 - 2¹ = 86689391027567 is a prime.

It is a super-2 number, since 2×86689391027569² (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 (86689391027567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3983259 + ... + 13756639.

It is an arithmetic number, because the mean of its divisors is an integer number (6007991116860).

Almost surely, 2^{86689391027569} is an apocalyptic number.

It is an amenable number.

86689391027569 is a deficient number, since it is larger than the sum of its proper divisors (9438466842191).

86689391027569 is a wasteful number, since it uses less digits than its factorization.

86689391027569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9786672.

The product of its (nonzero) digits is 2116316160, while the sum is 79.

The spelling of 86689391027569 in words is "eighty-six trillion, six hundred eighty-nine billion, three hundred ninety-one million, twenty-seven thousand, five hundred sixty-nine".