80769347 has 2 divisors, whose sum is σ = 80769348. Its totient is φ = 80769346.

The previous prime is 80769343. The next prime is 80769389. The reversal of 80769347 is 74396708.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80769347 - 2² = 80769343 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 80769298 and 80769307.

It is not a weakly prime, because it can be changed into another prime (80769341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40384673 + 40384674.

It is an arithmetic number, because the mean of its divisors is an integer number (40384674).

Almost surely, 2^80769347 is an apocalyptic number.

80769347 is a deficient number, since it is larger than the sum of its proper divisors (1).

80769347 is an equidigital number, since it uses as much as digits as its factorization.

80769347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 80769347 is about 8987.1768092099. The cubic root of 80769347 is about 432.2637902933.

The spelling of 80769347 in words is "eighty million, seven hundred sixty-nine thousand, three hundred forty-seven".