80075563 has 2 divisors, whose sum is σ = 80075564. Its totient is φ = 80075562.

The previous prime is 80075561. The next prime is 80075591. The reversal of 80075563 is 36557008.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80075563 - 2¹ = 80075561 is a prime.

Together with 80075561, it forms a pair of twin primes.

It is equal to p_4673482 and since 80075563 and 4673482 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (80075561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40037781 + 40037782.

It is an arithmetic number, because the mean of its divisors is an integer number (40037782).

Almost surely, 2^80075563 is an apocalyptic number.

80075563 is a deficient number, since it is larger than the sum of its proper divisors (1).

80075563 is an equidigital number, since it uses as much as digits as its factorization.

80075563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 80075563 is about 8948.4950131293. The cubic root of 80075563 is about 431.0225582729.

The spelling of 80075563 in words is "eighty million, seventy-five thousand, five hundred sixty-three".