80867 has 4 divisors (see below), whose sum is σ = 81480. Its totient is φ = 80256.

The previous prime is 80863. The next prime is 80897. The reversal of 80867 is 76808.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 80867 - 2² = 80863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17 + ... + 402.

It is an arithmetic number, because the mean of its divisors is an integer number (20370).

2⁸⁰⁸⁶⁷ is an apocalyptic number.

80867 is a deficient number, since it is larger than the sum of its proper divisors (613).

80867 is a wasteful number, since it uses less digits than its factorization.

80867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 80867 is about 284.3712362388. The cubic root of 80867 is about 43.2437927541.

The spelling of 80867 in words is "eighty thousand, eight hundred sixty-seven".