86689391027566 has 8 divisors (see below), whose sum is σ = 137683150455600. Its totient is φ = 40795007542368.

The previous prime is 86689391027507. The next prime is 86689391027567. The reversal of 86689391027566 is 66572019398668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 86689391027492 and 86689391027501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86689391027567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1274843985666 + ... + 1274843985733.

It is an arithmetic number, because the mean of its divisors is an integer number (17210393806950).

Almost surely, 2^{86689391027566} is an apocalyptic number.

86689391027566 is a deficient number, since it is larger than the sum of its proper divisors (50993759428034).

86689391027566 is a wasteful number, since it uses less digits than its factorization.

86689391027566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549687971418.

The product of its (nonzero) digits is 1410877440, while the sum is 76.

The spelling of 86689391027566 in words is "eighty-six trillion, six hundred eighty-nine billion, three hundred ninety-one million, twenty-seven thousand, five hundred sixty-six".