83836217 has 2 divisors, whose sum is σ = 83836218. Its totient is φ = 83836216.

The previous prime is 83836199. The next prime is 83836237. The reversal of 83836217 is 71263838.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82828201 + 1008016 = 9101^2 + 1004^2 .

It is a cyclic number.

It is not a de Polignac number, because 83836217 - 2²⁴ = 67059001 is a prime.

It is a super-2 number, since 2×83836217² = 14057022561742178, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83836237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41918108 + 41918109.

It is an arithmetic number, because the mean of its divisors is an integer number (41918109).

Almost surely, 2^83836217 is an apocalyptic number.

It is an amenable number.

83836217 is a deficient number, since it is larger than the sum of its proper divisors (1).

83836217 is an equidigital number, since it uses as much as digits as its factorization.

83836217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 83836217 is about 9156.2119350745. The cubic root of 83836217 is about 437.6670895921.

The spelling of 83836217 in words is "eighty-three million, eight hundred thirty-six thousand, two hundred seventeen".