80353439 has 2 divisors, whose sum is σ = 80353440. Its totient is φ = 80353438.

The previous prime is 80353417. The next prime is 80353499. The reversal of 80353439 is 93435308.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80353439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80353399 and 80353408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80353499) 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, 40176719 + 40176720.

It is an arithmetic number, because the mean of its divisors is an integer number (40176720).

Almost surely, 2^80353439 is an apocalyptic number.

80353439 is a deficient number, since it is larger than the sum of its proper divisors (1).

80353439 is an equidigital number, since it uses as much as digits as its factorization.

80353439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 80353439 is about 8964.0079763463. The cubic root of 80353439 is about 431.5205568491.

The spelling of 80353439 in words is "eighty million, three hundred fifty-three thousand, four hundred thirty-nine".