86171876459 has 8 divisors (see below), whose sum is σ = 87149471760. Its totient is φ = 85194489600.

The previous prime is 86171876443. The next prime is 86171876467. The reversal of 86171876459 is 95467817168.

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 86171876459 - 2⁴ = 86171876443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86171876489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 871664 + ... + 965474.

It is an arithmetic number, because the mean of its divisors is an integer number (10893683970).

Almost surely, 2^86171876459 is an apocalyptic number.

86171876459 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

86171876459 is a deficient number, since it is larger than the sum of its proper divisors (977595301).

86171876459 is a wasteful number, since it uses less digits than its factorization.

86171876459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104221.

The product of its digits is 20321280, while the sum is 62.

The spelling of 86171876459 in words is "eighty-six billion, one hundred seventy-one million, eight hundred seventy-six thousand, four hundred fifty-nine".