80220743 has 2 divisors, whose sum is σ = 80220744. Its totient is φ = 80220742.

The previous prime is 80220727. The next prime is 80220779. The reversal of 80220743 is 34702208.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80220743 - 2⁴ = 80220727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80220703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40110371 + 40110372.

It is an arithmetic number, because the mean of its divisors is an integer number (40110372).

Almost surely, 2^80220743 is an apocalyptic number.

80220743 is a deficient number, since it is larger than the sum of its proper divisors (1).

80220743 is an equidigital number, since it uses as much as digits as its factorization.

80220743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 80220743 is about 8956.6033182228. The cubic root of 80220743 is about 431.2828876970.

The spelling of 80220743 in words is "eighty million, two hundred twenty thousand, seven hundred forty-three".