80005379 has 2 divisors, whose sum is σ = 80005380. Its totient is φ = 80005378.

The previous prime is 80005369. The next prime is 80005381. The reversal of 80005379 is 97350008.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80005379 - 2¹⁶ = 79939843 is a prime.

Together with 80005381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80005319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40002689 + 40002690.

It is an arithmetic number, because the mean of its divisors is an integer number (40002690).

Almost surely, 2^80005379 is an apocalyptic number.

80005379 is a deficient number, since it is larger than the sum of its proper divisors (1).

80005379 is an equidigital number, since it uses as much as digits as its factorization.

80005379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 80005379 is about 8944.5726001861. The cubic root of 80005379 is about 430.8965950434.

The spelling of 80005379 in words is "eighty million, five thousand, three hundred seventy-nine".