84587339 has 2 divisors, whose sum is σ = 84587340. Its totient is φ = 84587338.

The previous prime is 84587317. The next prime is 84587401. The reversal of 84587339 is 93378548.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84587339 - 2¹² = 84583243 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 84587293 and 84587302.

It is not a weakly prime, because it can be changed into another prime (84587309) 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, 42293669 + 42293670.

It is an arithmetic number, because the mean of its divisors is an integer number (42293670).

Almost surely, 2^84587339 is an apocalyptic number.

84587339 is a deficient number, since it is larger than the sum of its proper divisors (1).

84587339 is an equidigital number, since it uses as much as digits as its factorization.

84587339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 84587339 is about 9197.1375438231. The cubic root of 84587339 is about 438.9702831848.

The spelling of 84587339 in words is "eighty-four million, five hundred eighty-seven thousand, three hundred thirty-nine".