80383717 has 2 divisors, whose sum is σ = 80383718. Its totient is φ = 80383716.

The previous prime is 80383697. The next prime is 80383741. The reversal of 80383717 is 71738308.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78747876 + 1635841 = 8874^2 + 1279^2 .

It is a cyclic number.

It is not a de Polignac number, because 80383717 - 2²³ = 71995109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80383777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40191858 + 40191859.

It is an arithmetic number, because the mean of its divisors is an integer number (40191859).

Almost surely, 2^80383717 is an apocalyptic number.

It is an amenable number.

80383717 is a deficient number, since it is larger than the sum of its proper divisors (1).

80383717 is an equidigital number, since it uses as much as digits as its factorization.

80383717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 80383717 is about 8965.6966823555. The cubic root of 80383717 is about 431.5747505001.

The spelling of 80383717 in words is "eighty million, three hundred eighty-three thousand, seven hundred seventeen".