80089 has 3 divisors (see below), whose sum is σ = 80373. Its totient is φ = 79806.

The previous prime is 80077. The next prime is 80107. The reversal of 80089 is 98008.

80089 = T₂₈₂ + T₂₈₃.

The square root of 80089 is 283.

It is a perfect power (a square), and thus also a powerful number.

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 not a de Polignac number, because 80089 - 2¹¹ = 78041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80039) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 142 + ... + 424.

It is an arithmetic number, because the mean of its divisors is an integer number (26791).

2⁸⁰⁰⁸⁹ is an apocalyptic number.

80089 is the 283-rd square number.

80089 is the 142-nd centered octagonal number.

It is an amenable number.

80089 is a deficient number, since it is larger than the sum of its proper divisors (284).

80089 is an frugal number, since it uses more digits than its factorization.

80089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The cubic root of 80089 is about 43.1046666028.

Multiplying 80089 by its sum of digits (25), we get a square (2002225 = 1415²).

Multiplying 80089 by its product of nonzero digits (576), we get a square (46131264 = 6792²).

The spelling of 80089 in words is "eighty thousand, eighty-nine".