83479271 has 2 divisors, whose sum is σ = 83479272. Its totient is φ = 83479270.

The previous prime is 83479243. The next prime is 83479273. The reversal of 83479271 is 17297438.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83479271 is a prime.

Together with 83479273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83479273) 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, 41739635 + 41739636.

It is an arithmetic number, because the mean of its divisors is an integer number (41739636).

Almost surely, 2^83479271 is an apocalyptic number.

83479271 is a deficient number, since it is larger than the sum of its proper divisors (1).

83479271 is an equidigital number, since it uses as much as digits as its factorization.

83479271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 41.

The square root of 83479271 is about 9136.6991304300. The cubic root of 83479271 is about 437.0450602594.

The spelling of 83479271 in words is "eighty-three million, four hundred seventy-nine thousand, two hundred seventy-one".