83465839 has 2 divisors, whose sum is σ = 83465840. Its totient is φ = 83465838.

The previous prime is 83465761. The next prime is 83465861. The reversal of 83465839 is 93856438.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83465839 - 2¹⁵ = 83433071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83465539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41732919 + 41732920.

It is an arithmetic number, because the mean of its divisors is an integer number (41732920).

Almost surely, 2^83465839 is an apocalyptic number.

83465839 is a deficient number, since it is larger than the sum of its proper divisors (1).

83465839 is an equidigital number, since it uses as much as digits as its factorization.

83465839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 46.

The square root of 83465839 is about 9135.9640432743. The cubic root of 83465839 is about 437.0216184953.

The spelling of 83465839 in words is "eighty-three million, four hundred sixty-five thousand, eight hundred thirty-nine".