80841793 has 2 divisors, whose sum is σ = 80841794. Its totient is φ = 80841792.

The previous prime is 80841779. The next prime is 80841797. The reversal of 80841793 is 39714808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80156209 + 685584 = 8953^2 + 828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80841793 is a prime.

It is not a weakly prime, because it can be changed into another prime (80841797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40420896 + 40420897.

It is an arithmetic number, because the mean of its divisors is an integer number (40420897).

Almost surely, 2^80841793 is an apocalyptic number.

It is an amenable number.

80841793 is a deficient number, since it is larger than the sum of its proper divisors (1).

80841793 is an equidigital number, since it uses as much as digits as its factorization.

80841793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 80841793 is about 8991.2064262812. The cubic root of 80841793 is about 432.3929912236.

The spelling of 80841793 in words is "eighty million, eight hundred forty-one thousand, seven hundred ninety-three".