808072019 has 2 divisors, whose sum is σ = 808072020. Its totient is φ = 808072018.

The previous prime is 808072007. The next prime is 808072021. The reversal of 808072019 is 910270808.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 808072019 - 2⁴ = 808072003 is a prime.

It is a super-2 number, since 2×808072019² = 1305960775781472722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 808072021, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 808072019.

It is not a weakly prime, because it can be changed into another prime (808075019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404036009 + 404036010.

It is an arithmetic number, because the mean of its divisors is an integer number (404036010).

Almost surely, 2^808072019 is an apocalyptic number.

808072019 is a deficient number, since it is larger than the sum of its proper divisors (1).

808072019 is an equidigital number, since it uses as much as digits as its factorization.

808072019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 808072019 is about 28426.6075886659. The cubic root of 808072019 is about 931.4295734422.

The spelling of 808072019 in words is "eight hundred eight million, seventy-two thousand, nineteen".