80004427 has 2 divisors, whose sum is σ = 80004428. Its totient is φ = 80004426.

The previous prime is 80004403. The next prime is 80004443. The reversal of 80004427 is 72440008.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80004427 - 2⁷ = 80004299 is a prime.

It is not a weakly prime, because it can be changed into another prime (80004527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40002213 + 40002214.

It is an arithmetic number, because the mean of its divisors is an integer number (40002214).

Almost surely, 2^80004427 is an apocalyptic number.

80004427 is a deficient number, since it is larger than the sum of its proper divisors (1).

80004427 is an equidigital number, since it uses as much as digits as its factorization.

80004427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 80004427 is about 8944.5193833990. The cubic root of 80004427 is about 430.8948859284.

The spelling of 80004427 in words is "eighty million, four thousand, four hundred twenty-seven".