83446147 has 2 divisors, whose sum is σ = 83446148. Its totient is φ = 83446146.

The previous prime is 83446117. The next prime is 83446151. The reversal of 83446147 is 74164438.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83446147 is a prime.

It is not a weakly prime, because it can be changed into another prime (83446117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41723073 + 41723074.

It is an arithmetic number, because the mean of its divisors is an integer number (41723074).

Almost surely, 2^83446147 is an apocalyptic number.

83446147 is a deficient number, since it is larger than the sum of its proper divisors (1).

83446147 is an equidigital number, since it uses as much as digits as its factorization.

83446147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 37.

The square root of 83446147 is about 9134.8862609230. The cubic root of 83446147 is about 436.9872471218.

The spelling of 83446147 in words is "eighty-three million, four hundred forty-six thousand, one hundred forty-seven".