80019 has 12 divisors (see below), whose sum is σ = 122616. Its totient is φ = 50112.

The previous prime is 79999. The next prime is 80021. The reversal of 80019 is 91008.

It is not a de Polignac number, because 80019 - 2⁵ = 79987 is a prime.

It is a super-2 number, since 2×80019² = 12806080722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79983 and 80010.

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 11 ways as a sum of consecutive naturals, for example, 109 + ... + 414.

It is an arithmetic number, because the mean of its divisors is an integer number (10218).

2⁸⁰⁰¹⁹ is an apocalyptic number.

80019 is a deficient number, since it is larger than the sum of its proper divisors (42597).

80019 is a wasteful number, since it uses less digits than its factorization.

80019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 80019 is about 282.8762980527. The cubic root of 80019 is about 43.0921047189.

The spelling of 80019 in words is "eighty thousand, nineteen".