83539117 has 2 divisors, whose sum is σ = 83539118. Its totient is φ = 83539116.

The previous prime is 83539051. The next prime is 83539129. The reversal of 83539117 is 71193538.

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., 49829481 + 33709636 = 7059^2 + 5806^2 .

It is a cyclic number.

It is not a de Polignac number, because 83539117 - 2⁷ = 83538989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83539147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41769558 + 41769559.

It is an arithmetic number, because the mean of its divisors is an integer number (41769559).

Almost surely, 2^83539117 is an apocalyptic number.

It is an amenable number.

83539117 is a deficient number, since it is larger than the sum of its proper divisors (1).

83539117 is an equidigital number, since it uses as much as digits as its factorization.

83539117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 37.

The square root of 83539117 is about 9139.9735776423. The cubic root of 83539117 is about 437.1494740083.

The spelling of 83539117 in words is "eighty-three million, five hundred thirty-nine thousand, one hundred seventeen".