80429747 has 2 divisors, whose sum is σ = 80429748. Its totient is φ = 80429746.

The previous prime is 80429707. The next prime is 80429759. The reversal of 80429747 is 74792408.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80429747 - 2⁸ = 80429491 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80429707) 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, 40214873 + 40214874.

It is an arithmetic number, because the mean of its divisors is an integer number (40214874).

Almost surely, 2^80429747 is an apocalyptic number.

80429747 is a deficient number, since it is larger than the sum of its proper divisors (1).

80429747 is an equidigital number, since it uses as much as digits as its factorization.

80429747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 80429747 is about 8968.2633212902. The cubic root of 80429747 is about 431.6571121022.

The spelling of 80429747 in words is "eighty million, four hundred twenty-nine thousand, seven hundred forty-seven".