86899 has 4 divisors (see below), whose sum is σ = 88264. Its totient is φ = 85536.

The previous prime is 86869. The next prime is 86923. The reversal of 86899 is 99868.

It is a happy number.

86899 is nontrivially palindromic in base 6.

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 86899 - 2⁷ = 86771 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 (86869) 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, 582 + ... + 715.

It is an arithmetic number, because the mean of its divisors is an integer number (22066).

2⁸⁶⁸⁹⁹ is an apocalyptic number.

86899 is a deficient number, since it is larger than the sum of its proper divisors (1365).

86899 is a wasteful number, since it uses less digits than its factorization.

86899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364.

The product of its digits is 31104, while the sum is 40.

The square root of 86899 is about 294.7863633210. The cubic root of 86899 is about 44.2933226113.

The spelling of 86899 in words is "eighty-six thousand, eight hundred ninety-nine".