80563673 has 2 divisors, whose sum is σ = 80563674. Its totient is φ = 80563672.

The previous prime is 80563633. The next prime is 80563709. The reversal of 80563673 is 37636508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67043344 + 13520329 = 8188^2 + 3677^2 .

It is a cyclic number.

It is not a de Polignac number, because 80563673 - 2¹⁰ = 80562649 is a prime.

It is not a weakly prime, because it can be changed into another prime (80563633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40281836 + 40281837.

It is an arithmetic number, because the mean of its divisors is an integer number (40281837).

Almost surely, 2^80563673 is an apocalyptic number.

It is an amenable number.

80563673 is a deficient number, since it is larger than the sum of its proper divisors (1).

80563673 is an equidigital number, since it uses as much as digits as its factorization.

80563673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 80563673 is about 8975.7268786433. The cubic root of 80563673 is about 431.8965676729.

The spelling of 80563673 in words is "eighty million, five hundred sixty-three thousand, six hundred seventy-three".