84486287 has 2 divisors, whose sum is σ = 84486288. Its totient is φ = 84486286.

The previous prime is 84486247. The next prime is 84486341. The reversal of 84486287 is 78268448.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84486287 - 2¹⁶ = 84420751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84486247) 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, 42243143 + 42243144.

It is an arithmetic number, because the mean of its divisors is an integer number (42243144).

Almost surely, 2^84486287 is an apocalyptic number.

84486287 is a deficient number, since it is larger than the sum of its proper divisors (1).

84486287 is an equidigital number, since it uses as much as digits as its factorization.

84486287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 688128, while the sum is 47.

The square root of 84486287 is about 9191.6422362927. The cubic root of 84486287 is about 438.7954087033.

The spelling of 84486287 in words is "eighty-four million, four hundred eighty-six thousand, two hundred eighty-seven".