80311379 has 2 divisors, whose sum is σ = 80311380. Its totient is φ = 80311378.

The previous prime is 80311373. The next prime is 80311459. The reversal of 80311379 is 97311308.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80311379 - 2⁸ = 80311123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80311373) 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, 40155689 + 40155690.

It is an arithmetic number, because the mean of its divisors is an integer number (40155690).

Almost surely, 2^80311379 is an apocalyptic number.

80311379 is a deficient number, since it is larger than the sum of its proper divisors (1).

80311379 is an equidigital number, since it uses as much as digits as its factorization.

80311379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 80311379 is about 8961.6616204809. The cubic root of 80311379 is about 431.4452523671.

The spelling of 80311379 in words is "eighty million, three hundred eleven thousand, three hundred seventy-nine".