86404330129 has 4 divisors (see below), whose sum is σ = 93050817076. Its totient is φ = 79757843184.

The previous prime is 86404330123. The next prime is 86404330151. The reversal of 86404330129 is 92103340468.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36910094400 + 49494235729 = 192120^2 + 222473^2 .

It is a cyclic number.

It is not a de Polignac number, because 86404330129 - 2³ = 86404330121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86404330091 and 86404330100.

It is not an unprimeable number, because it can be changed into a prime (86404330121) 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, 3323243454 + ... + 3323243479.

It is an arithmetic number, because the mean of its divisors is an integer number (23262704269).

Almost surely, 2^86404330129 is an apocalyptic number.

It is an amenable number.

86404330129 is a deficient number, since it is larger than the sum of its proper divisors (6646486947).

86404330129 is a wasteful number, since it uses less digits than its factorization.

86404330129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6646486946.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 86404330129 in words is "eighty-six billion, four hundred four million, three hundred thirty thousand, one hundred twenty-nine".