83760217 has 2 divisors, whose sum is σ = 83760218. Its totient is φ = 83760216.

The previous prime is 83760169. The next prime is 83760223. The reversal of 83760217 is 71206738.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78428736 + 5331481 = 8856^2 + 2309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83760217 is a prime.

It is not a weakly prime, because it can be changed into another prime (83760247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41880108 + 41880109.

It is an arithmetic number, because the mean of its divisors is an integer number (41880109).

Almost surely, 2^83760217 is an apocalyptic number.

It is an amenable number.

83760217 is a deficient number, since it is larger than the sum of its proper divisors (1).

83760217 is an equidigital number, since it uses as much as digits as its factorization.

83760217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 83760217 is about 9152.0608061791. The cubic root of 83760217 is about 437.5347969058.

The spelling of 83760217 in words is "eighty-three million, seven hundred sixty thousand, two hundred seventeen".