86712129611 has 4 divisors (see below), whose sum is σ = 86786180424. Its totient is φ = 86638078800.

The previous prime is 86712129587. The next prime is 86712129613. The reversal of 86712129611 is 11692121768.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86712129611 - 2³⁰ = 85638387787 is a prime.

It is a super-2 number, since 2×86712129611² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86712129613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37023650 + ... + 37025991.

It is an arithmetic number, because the mean of its divisors is an integer number (21696545106).

Almost surely, 2^86712129611 is an apocalyptic number.

86712129611 is a deficient number, since it is larger than the sum of its proper divisors (74050813).

86712129611 is a wasteful number, since it uses less digits than its factorization.

86712129611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74050812.

The product of its digits is 72576, while the sum is 44.

The spelling of 86712129611 in words is "eighty-six billion, seven hundred twelve million, one hundred twenty-nine thousand, six hundred eleven".