80445119 has 2 divisors, whose sum is σ = 80445120. Its totient is φ = 80445118.

The previous prime is 80445109. The next prime is 80445121. The reversal of 80445119 is 91154408.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80445119 - 2⁸ = 80444863 is a prime.

It is a super-2 number, since 2×80445119² = 12942834341848322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 80445121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80445109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40222559 + 40222560.

It is an arithmetic number, because the mean of its divisors is an integer number (40222560).

Almost surely, 2^80445119 is an apocalyptic number.

80445119 is a deficient number, since it is larger than the sum of its proper divisors (1).

80445119 is an equidigital number, since it uses as much as digits as its factorization.

80445119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 80445119 is about 8969.1203024600. The cubic root of 80445119 is about 431.6846102634.

The spelling of 80445119 in words is "eighty million, four hundred forty-five thousand, one hundred nineteen".