84731347205143 has 2 divisors, whose sum is σ = 84731347205144. Its totient is φ = 84731347205142.

The previous prime is 84731347205101. The next prime is 84731347205161. The reversal of 84731347205143 is 34150274313748.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84731347205143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84731347203143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42365673602571 + 42365673602572.

It is an arithmetic number, because the mean of its divisors is an integer number (42365673602572).

Almost surely, 2^{84731347205143} is an apocalyptic number.

84731347205143 is a deficient number, since it is larger than the sum of its proper divisors (1).

84731347205143 is an equidigital number, since it uses as much as digits as its factorization.

84731347205143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6773760, while the sum is 52.

The spelling of 84731347205143 in words is "eighty-four trillion, seven hundred thirty-one billion, three hundred forty-seven million, two hundred five thousand, one hundred forty-three".