84383447 has 2 divisors, whose sum is σ = 84383448. Its totient is φ = 84383446.

The previous prime is 84383443. The next prime is 84383449. The reversal of 84383447 is 74438348.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84383447 - 2² = 84383443 is a prime.

It is a super-2 number, since 2×84383447² = 14241132255203618, which contains 22 as substring.

Together with 84383449, 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 (84383443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42191723 + 42191724.

It is an arithmetic number, because the mean of its divisors is an integer number (42191724).

Almost surely, 2^84383447 is an apocalyptic number.

84383447 is a deficient number, since it is larger than the sum of its proper divisors (1).

84383447 is an equidigital number, since it uses as much as digits as its factorization.

84383447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 41.

The square root of 84383447 is about 9186.0463203709. The cubic root of 84383447 is about 438.6172967934.

The spelling of 84383447 in words is "eighty-four million, three hundred eighty-three thousand, four hundred forty-seven".