84701543 has 2 divisors, whose sum is σ = 84701544. Its totient is φ = 84701542.

The previous prime is 84701527. The next prime is 84701557. The reversal of 84701543 is 34510748.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84701543 - 2⁴ = 84701527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84701503) 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, 42350771 + 42350772.

It is an arithmetic number, because the mean of its divisors is an integer number (42350772).

Almost surely, 2^84701543 is an apocalyptic number.

84701543 is a deficient number, since it is larger than the sum of its proper divisors (1).

84701543 is an equidigital number, since it uses as much as digits as its factorization.

84701543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 84701543 is about 9203.3441204814. The cubic root of 84701543 is about 439.1677501583.

The spelling of 84701543 in words is "eighty-four million, seven hundred one thousand, five hundred forty-three".