86879171 has 8 divisors (see below), whose sum is σ = 89800704. Its totient is φ = 84002440.

The previous prime is 86879159. The next prime is 86879173. The reversal of 86879171 is 17197868.

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 86879171 - 2²⁶ = 19770307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (86879173) 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, 7235 + ... + 15036.

It is an arithmetic number, because the mean of its divisors is an integer number (11225088).

Almost surely, 2^86879171 is an apocalyptic number.

86879171 is a deficient number, since it is larger than the sum of its proper divisors (2921533).

86879171 is a wasteful number, since it uses less digits than its factorization.

86879171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22401.

The product of its digits is 169344, while the sum is 47.

The square root of 86879171 is about 9320.8996883348. The cubic root of 86879171 is about 442.8995333933.

The spelling of 86879171 in words is "eighty-six million, eight hundred seventy-nine thousand, one hundred seventy-one".