83674559 has 2 divisors, whose sum is σ = 83674560. Its totient is φ = 83674558.

The previous prime is 83674543. The next prime is 83674573. The reversal of 83674559 is 95547638.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83674559 - 2⁴ = 83674543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83674519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41837279 + 41837280.

It is an arithmetic number, because the mean of its divisors is an integer number (41837280).

Almost surely, 2^83674559 is an apocalyptic number.

83674559 is a deficient number, since it is larger than the sum of its proper divisors (1).

83674559 is an equidigital number, since it uses as much as digits as its factorization.

83674559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 47.

The square root of 83674559 is about 9147.3798980910. The cubic root of 83674559 is about 437.3855966447.

The spelling of 83674559 in words is "eighty-three million, six hundred seventy-four thousand, five hundred fifty-nine".