80737243 has 2 divisors, whose sum is σ = 80737244. Its totient is φ = 80737242.

The previous prime is 80737183. The next prime is 80737249. The reversal of 80737243 is 34273708.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80737243 - 2⁹ = 80736731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80737199 and 80737208.

It is not a weakly prime, because it can be changed into another prime (80737249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40368621 + 40368622.

It is an arithmetic number, because the mean of its divisors is an integer number (40368622).

Almost surely, 2^80737243 is an apocalyptic number.

80737243 is a deficient number, since it is larger than the sum of its proper divisors (1).

80737243 is an equidigital number, since it uses as much as digits as its factorization.

80737243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 80737243 is about 8985.3905313014. The cubic root of 80737243 is about 432.2065109899.

The spelling of 80737243 in words is "eighty million, seven hundred thirty-seven thousand, two hundred forty-three".