86773 has 4 divisors (see below), whose sum is σ = 91360. Its totient is φ = 82188.

The previous prime is 86771. The next prime is 86783. The reversal of 86773 is 37768.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86773 - 2¹ = 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 (86771) 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, 2265 + ... + 2302.

It is an arithmetic number, because the mean of its divisors is an integer number (22840).

2⁸⁶⁷⁷³ is an apocalyptic number.

It is an amenable number.

86773 is a deficient number, since it is larger than the sum of its proper divisors (4587).

86773 is a wasteful number, since it uses less digits than its factorization.

86773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4586.

The product of its digits is 7056, while the sum is 31.

The square root of 86773 is about 294.5725717035. The cubic root of 86773 is about 44.2719044201.

The spelling of 86773 in words is "eighty-six thousand, seven hundred seventy-three".