86709329 has 8 divisors (see below), whose sum is σ = 99206208. Its totient is φ = 74239920.

The previous prime is 86709283. The next prime is 86709347. The reversal of 86709329 is 92390768.

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

It is a cyclic number.

It is not a de Polignac number, because 86709329 - 2²⁴ = 69932113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86709329.

It is not an unprimeable number, because it can be changed into a prime (86709349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419 + ... + 13175.

It is an arithmetic number, because the mean of its divisors is an integer number (12400776).

Almost surely, 2^86709329 is an apocalyptic number.

It is an amenable number.

86709329 is a deficient number, since it is larger than the sum of its proper divisors (12496879).

86709329 is a wasteful number, since it uses less digits than its factorization.

86709329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13735.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 86709329 is about 9311.7844154598. The cubic root of 86709329 is about 442.6107337753.

The spelling of 86709329 in words is "eighty-six million, seven hundred nine thousand, three hundred twenty-nine".