86479 has 4 divisors (see below), whose sum is σ = 91584. Its totient is φ = 81376.

The previous prime is 86477. The next prime is 86491. The reversal of 86479 is 97468.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86479 - 2¹ = 86477 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 (86477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527 + ... + 2560.

It is an arithmetic number, because the mean of its divisors is an integer number (22896).

2⁸⁶⁴⁷⁹ is an apocalyptic number.

86479 is a deficient number, since it is larger than the sum of its proper divisors (5105).

86479 is a wasteful number, since it uses less digits than its factorization.

86479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5104.

The product of its digits is 12096, while the sum is 34.

The square root of 86479 is about 294.0731201589. The cubic root of 86479 is about 44.2218478832.

It can be divided in two parts, 86 and 479, that added together give a palindrome (565).

The spelling of 86479 in words is "eighty-six thousand, four hundred seventy-nine".