86606677729 has 16 divisors (see below), whose sum is σ = 101756479104. Its totient is φ = 72670665600.

The previous prime is 86606677723. The next prime is 86606677739. The reversal of 86606677729 is 92777660668.

It is a happy number.

It is not a de Polignac number, because 86606677729 - 2⁵ = 86606677697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86606677723) 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, 2468349 + ... + 2503189.

It is an arithmetic number, because the mean of its divisors is an integer number (6359779944).

Almost surely, 2^86606677729 is an apocalyptic number.

It is an amenable number.

86606677729 is a deficient number, since it is larger than the sum of its proper divisors (15149801375).

86606677729 is a wasteful number, since it uses less digits than its factorization.

86606677729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52248.

The product of its (nonzero) digits is 64012032, while the sum is 64.

The spelling of 86606677729 in words is "eighty-six billion, six hundred six million, six hundred seventy-seven thousand, seven hundred twenty-nine".