83880317 has 2 divisors, whose sum is σ = 83880318. Its totient is φ = 83880316.

The previous prime is 83880283. The next prime is 83880331. The reversal of 83880317 is 71308838.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49646116 + 34234201 = 7046^2 + 5851^2 .

It is a cyclic number.

It is not a de Polignac number, because 83880317 - 2⁶ = 83880253 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83880337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41940158 + 41940159.

It is an arithmetic number, because the mean of its divisors is an integer number (41940159).

Almost surely, 2^83880317 is an apocalyptic number.

It is an amenable number.

83880317 is a deficient number, since it is larger than the sum of its proper divisors (1).

83880317 is an equidigital number, since it uses as much as digits as its factorization.

83880317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 83880317 is about 9158.6198196016. The cubic root of 83880317 is about 437.7438175109.

The spelling of 83880317 in words is "eighty-three million, eight hundred eighty thousand, three hundred seventeen".