86585786443 has 16 divisors (see below), whose sum is σ = 93641184000. Its totient is φ = 79587123840.

The previous prime is 86585786423. The next prime is 86585786447. The reversal of 86585786443 is 34468758568.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 86585786443 - 2⁹ = 86585785931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86585786447) 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, 8321158 + ... + 8331556.

It is an arithmetic number, because the mean of its divisors is an integer number (5852574000).

Almost surely, 2^86585786443 is an apocalyptic number.

86585786443 is a deficient number, since it is larger than the sum of its proper divisors (7055397557).

86585786443 is a wasteful number, since it uses less digits than its factorization.

86585786443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13062.

The product of its digits is 154828800, while the sum is 64.

The spelling of 86585786443 in words is "eighty-six billion, five hundred eighty-five million, seven hundred eighty-six thousand, four hundred forty-three".