80012347 has 2 divisors, whose sum is σ = 80012348. Its totient is φ = 80012346.

The previous prime is 80012323. The next prime is 80012407. The reversal of 80012347 is 74321008.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80012347 is a prime.

It is not a weakly prime, because it can be changed into another prime (80012447) 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, 40006173 + 40006174.

It is an arithmetic number, because the mean of its divisors is an integer number (40006174).

Almost surely, 2^80012347 is an apocalyptic number.

80012347 is a deficient number, since it is larger than the sum of its proper divisors (1).

80012347 is an equidigital number, since it uses as much as digits as its factorization.

80012347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 80012347 is about 8944.9621016525. The cubic root of 80012347 is about 430.9091042037.

The spelling of 80012347 in words is "eighty million, twelve thousand, three hundred forty-seven".