80342019 has 6 divisors (see below), whose sum is σ = 116049596. Its totient is φ = 53561340.

The previous prime is 80341981. The next prime is 80342021. The reversal of 80342019 is 91024308.

It is not a de Polignac number, because 80342019 - 2¹¹ = 80339971 is a prime.

It is a super-2 number, since 2×80342019² = 12909680033992722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80341983 and 80342001.

It is not an unprimeable number, because it can be changed into a prime (80342039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4463437 + ... + 4463454.

Almost surely, 2^80342019 is an apocalyptic number.

80342019 is a deficient number, since it is larger than the sum of its proper divisors (35707577).

80342019 is a wasteful number, since it uses less digits than its factorization.

80342019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8926897 (or 8926894 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 80342019 is about 8963.3709618647. The cubic root of 80342019 is about 431.5001130104.

The spelling of 80342019 in words is "eighty million, three hundred forty-two thousand, nineteen".