86679 has 6 divisors (see below), whose sum is σ = 125216. Its totient is φ = 57780.

The previous prime is 86677. The next prime is 86689. The reversal of 86679 is 97668.

It is not a de Polignac number, because 86679 - 2¹ = 86677 is a prime.

It is a Duffinian number.

86679 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86677) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4807 + ... + 4824.

2⁸⁶⁶⁷⁹ is an apocalyptic number.

86679 is a deficient number, since it is larger than the sum of its proper divisors (38537).

86679 is a wasteful number, since it uses less digits than its factorization.

86679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9637 (or 9634 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 86679 is about 294.4129752575. The cubic root of 86679 is about 44.2559122618.

The spelling of 86679 in words is "eighty-six thousand, six hundred seventy-nine".