84434263 has 2 divisors, whose sum is σ = 84434264. Its totient is φ = 84434262.

The previous prime is 84434249. The next prime is 84434279. The reversal of 84434263 is 36243448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84434263 - 2⁹ = 84433751 is a prime.

It is equal to p_4912774 and since 84434263 and 4912774 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84404263) 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, 42217131 + 42217132.

It is an arithmetic number, because the mean of its divisors is an integer number (42217132).

Almost surely, 2^84434263 is an apocalyptic number.

84434263 is a deficient number, since it is larger than the sum of its proper divisors (1).

84434263 is an equidigital number, since it uses as much as digits as its factorization.

84434263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 34.

The square root of 84434263 is about 9188.8118383173. The cubic root of 84434263 is about 438.7053247369.

The spelling of 84434263 in words is "eighty-four million, four hundred thirty-four thousand, two hundred sixty-three".