86661435179 has 8 divisors (see below), whose sum is σ = 97799739120. Its totient is φ = 76066463200.

The previous prime is 86661435167. The next prime is 86661435193. The reversal of 86661435179 is 97153416668.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86661435179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86661435379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135832652 + ... + 135833289.

It is an arithmetic number, because the mean of its divisors is an integer number (12224967390).

Almost surely, 2^86661435179 is an apocalyptic number.

86661435179 is a deficient number, since it is larger than the sum of its proper divisors (11138303941).

86661435179 is a wasteful number, since it uses less digits than its factorization.

86661435179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271665981.

The product of its digits is 6531840, while the sum is 56.

The spelling of 86661435179 in words is "eighty-six billion, six hundred sixty-one million, four hundred thirty-five thousand, one hundred seventy-nine".