80269 has 4 divisors (see below), whose sum is σ = 91744. Its totient is φ = 68796.

The previous prime is 80263. The next prime is 80273. The reversal of 80269 is 96208.

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 not a de Polignac number, because 80269 - 2⁷ = 80141 is a prime.

It is a super-2 number, since 2×80269² = 12886224722, which contains 22 as substring.

It is a Duffinian number.

80269 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80263) 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, 5727 + ... + 5740.

It is an arithmetic number, because the mean of its divisors is an integer number (22936).

2⁸⁰²⁶⁹ is an apocalyptic number.

It is an amenable number.

80269 is a deficient number, since it is larger than the sum of its proper divisors (11475).

80269 is a wasteful number, since it uses less digits than its factorization.

80269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11474.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 80269 is about 283.3178427138. The cubic root of 80269 is about 43.1369350149.

The spelling of 80269 in words is "eighty thousand, two hundred sixty-nine".