83966471 has 2 divisors, whose sum is σ = 83966472. Its totient is φ = 83966470.

The previous prime is 83966461. The next prime is 83966489. The reversal of 83966471 is 17466938.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83966471 is a prime.

It is a super-3 number, since 3×83966471³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83966461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41983235 + 41983236.

It is an arithmetic number, because the mean of its divisors is an integer number (41983236).

Almost surely, 2^83966471 is an apocalyptic number.

83966471 is a deficient number, since it is larger than the sum of its proper divisors (1).

83966471 is an equidigital number, since it uses as much as digits as its factorization.

83966471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 83966471 is about 9163.3220504356. The cubic root of 83966471 is about 437.8936360368.

The spelling of 83966471 in words is "eighty-three million, nine hundred sixty-six thousand, four hundred seventy-one".