84563783 has 2 divisors, whose sum is σ = 84563784. Its totient is φ = 84563782.

The previous prime is 84563777. The next prime is 84563789. The reversal of 84563783 is 38736548.

It is a balanced prime because it is at equal distance from previous prime (84563777) and next prime (84563789).

It is a cyclic number.

It is not a de Polignac number, because 84563783 - 2¹² = 84559687 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84563789) 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, 42281891 + 42281892.

It is an arithmetic number, because the mean of its divisors is an integer number (42281892).

Almost surely, 2^84563783 is an apocalyptic number.

84563783 is a deficient number, since it is larger than the sum of its proper divisors (1).

84563783 is an equidigital number, since it uses as much as digits as its factorization.

84563783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 44.

The square root of 84563783 is about 9195.8568388161. The cubic root of 84563783 is about 438.9295310497.

The spelling of 84563783 in words is "eighty-four million, five hundred sixty-three thousand, seven hundred eighty-three".