83288617 has 2 divisors, whose sum is σ = 83288618. Its totient is φ = 83288616.

The previous prime is 83288563. The next prime is 83288641. The reversal of 83288617 is 71688238.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57927321 + 25361296 = 7611^2 + 5036^2 .

It is a cyclic number.

It is not a de Polignac number, because 83288617 - 2⁷ = 83288489 is a prime.

It is a super-3 number, since 3×83288617³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (83288687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41644308 + 41644309.

It is an arithmetic number, because the mean of its divisors is an integer number (41644309).

Almost surely, 2^83288617 is an apocalyptic number.

It is an amenable number.

83288617 is a deficient number, since it is larger than the sum of its proper divisors (1).

83288617 is an equidigital number, since it uses as much as digits as its factorization.

83288617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 43.

The square root of 83288617 is about 9126.2597486594. The cubic root of 83288617 is about 436.7120917593.

The spelling of 83288617 in words is "eighty-three million, two hundred eighty-eight thousand, six hundred seventeen".