84421063 has 4 divisors (see below), whose sum is σ = 88091568. Its totient is φ = 80750560.

The previous prime is 84421061. The next prime is 84421097. The reversal of 84421063 is 36012448.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84421063 - 2¹ = 84421061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84421061) 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 in 3 ways as a sum of consecutive naturals, for example, 1835218 + ... + 1835263.

It is an arithmetic number, because the mean of its divisors is an integer number (22022892).

Almost surely, 2^84421063 is an apocalyptic number.

84421063 is a deficient number, since it is larger than the sum of its proper divisors (3670505).

84421063 is a wasteful number, since it uses less digits than its factorization.

84421063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670504.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 84421063 is about 9188.0935454533. The cubic root of 84421063 is about 438.6824619326.

The spelling of 84421063 in words is "eighty-four million, four hundred twenty-one thousand, sixty-three".