84285863 has 2 divisors, whose sum is σ = 84285864. Its totient is φ = 84285862.

The previous prime is 84285857. The next prime is 84285871. The reversal of 84285863 is 36858248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84285863 - 2¹⁰ = 84284839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84285163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42142931 + 42142932.

It is an arithmetic number, because the mean of its divisors is an integer number (42142932).

Almost surely, 2^84285863 is an apocalyptic number.

84285863 is a deficient number, since it is larger than the sum of its proper divisors (1).

84285863 is an equidigital number, since it uses as much as digits as its factorization.

84285863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 368640, while the sum is 44.

The square root of 84285863 is about 9180.7332495831. The cubic root of 84285863 is about 438.4481540618.

The spelling of 84285863 in words is "eighty-four million, two hundred eighty-five thousand, eight hundred sixty-three".