86171379677 has 8 divisors (see below), whose sum is σ = 87037636320. Its totient is φ = 85305379600.

The previous prime is 86171379667. The next prime is 86171379691. The reversal of 86171379677 is 77697317168.

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 86171379677 - 2¹⁰ = 86171378653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86171379667) 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, 650774 + ... + 771912.

It is an arithmetic number, because the mean of its divisors is an integer number (10879704540).

Almost surely, 2^86171379677 is an apocalyptic number.

It is an amenable number.

86171379677 is a deficient number, since it is larger than the sum of its proper divisors (866256643).

86171379677 is a wasteful number, since it uses less digits than its factorization.

86171379677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128283.

The product of its digits is 18670176, while the sum is 62.

The spelling of 86171379677 in words is "eighty-six billion, one hundred seventy-one million, three hundred seventy-nine thousand, six hundred seventy-seven".