83834789 has 2 divisors, whose sum is σ = 83834790. Its totient is φ = 83834788.

The previous prime is 83834767. The next prime is 83834797. The reversal of 83834789 is 98743838.

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., 74684164 + 9150625 = 8642^2 + 3025^2 .

It is a cyclic number.

It is not a de Polignac number, because 83834789 - 2⁸ = 83834533 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83834719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41917394 + 41917395.

It is an arithmetic number, because the mean of its divisors is an integer number (41917395).

Almost surely, 2^83834789 is an apocalyptic number.

It is an amenable number.

83834789 is a deficient number, since it is larger than the sum of its proper divisors (1).

83834789 is an equidigital number, since it uses as much as digits as its factorization.

83834789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 50.

The square root of 83834789 is about 9156.1339548960. The cubic root of 83834789 is about 437.6646046194.

The spelling of 83834789 in words is "eighty-three million, eight hundred thirty-four thousand, seven hundred eighty-nine".