83206843 has 2 divisors, whose sum is σ = 83206844. Its totient is φ = 83206842.

The previous prime is 83206819. The next prime is 83206853. The reversal of 83206843 is 34860238.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83206843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83206799 and 83206808.

It is not a weakly prime, because it can be changed into another prime (83206853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41603421 + 41603422.

It is an arithmetic number, because the mean of its divisors is an integer number (41603422).

Almost surely, 2^83206843 is an apocalyptic number.

83206843 is a deficient number, since it is larger than the sum of its proper divisors (1).

83206843 is an equidigital number, since it uses as much as digits as its factorization.

83206843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 83206843 is about 9121.7784998321. The cubic root of 83206843 is about 436.5691214885.

The spelling of 83206843 in words is "eighty-three million, two hundred six thousand, eight hundred forty-three".