80705683 has 2 divisors, whose sum is σ = 80705684. Its totient is φ = 80705682.

The previous prime is 80705609. The next prime is 80705717. The reversal of 80705683 is 38650708.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80705683 is a prime.

It is not a weakly prime, because it can be changed into another prime (80705983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40352841 + 40352842.

It is an arithmetic number, because the mean of its divisors is an integer number (40352842).

Almost surely, 2^80705683 is an apocalyptic number.

80705683 is a deficient number, since it is larger than the sum of its proper divisors (1).

80705683 is an equidigital number, since it uses as much as digits as its factorization.

80705683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 80705683 is about 8983.6341755439. The cubic root of 80705683 is about 432.1501874780.

The spelling of 80705683 in words is "eighty million, seven hundred five thousand, six hundred eighty-three".