80228947 has 2 divisors, whose sum is σ = 80228948. Its totient is φ = 80228946.

The previous prime is 80228917. The next prime is 80228957. The reversal of 80228947 is 74982208.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80228947 - 2¹¹ = 80226899 is a prime.

It is not a weakly prime, because it can be changed into another prime (80228917) 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, 40114473 + 40114474.

It is an arithmetic number, because the mean of its divisors is an integer number (40114474).

Almost surely, 2^80228947 is an apocalyptic number.

80228947 is a deficient number, since it is larger than the sum of its proper divisors (1).

80228947 is an equidigital number, since it uses as much as digits as its factorization.

80228947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 80228947 is about 8957.0612926339. The cubic root of 80228947 is about 431.2975893152.

The spelling of 80228947 in words is "eighty million, two hundred twenty-eight thousand, nine hundred forty-seven".