84087343 has 2 divisors, whose sum is σ = 84087344. Its totient is φ = 84087342.

The previous prime is 84087323. The next prime is 84087397. The reversal of 84087343 is 34378048.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84087343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84087323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42043671 + 42043672.

It is an arithmetic number, because the mean of its divisors is an integer number (42043672).

Almost surely, 2^84087343 is an apocalyptic number.

84087343 is a deficient number, since it is larger than the sum of its proper divisors (1).

84087343 is an equidigital number, since it uses as much as digits as its factorization.

84087343 is an odious number, because the sum of its binary digits is odd.

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

The square root of 84087343 is about 9169.9151032057. The cubic root of 84087343 is about 438.1036551934.

It can be divided in two parts, 8408 and 7343, that added together give a palindrome (15751).

The spelling of 84087343 in words is "eighty-four million, eighty-seven thousand, three hundred forty-three".