83000947 has 2 divisors, whose sum is σ = 83000948. Its totient is φ = 83000946.

The previous prime is 83000941. The next prime is 83000963. The reversal of 83000947 is 74900038.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83000947 - 2¹⁹ = 82476659 is a prime.

It is equal to p_4834372 and since 83000947 and 4834372 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (83000941) 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, 41500473 + 41500474.

It is an arithmetic number, because the mean of its divisors is an integer number (41500474).

Almost surely, 2^83000947 is an apocalyptic number.

83000947 is a deficient number, since it is larger than the sum of its proper divisors (1).

83000947 is an equidigital number, since it uses as much as digits as its factorization.

83000947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 83000947 is about 9110.4855523732. The cubic root of 83000947 is about 436.2087261275.

The spelling of 83000947 in words is "eighty-three million, nine hundred forty-seven", and thus it is an aban number.