84463663 has 2 divisors, whose sum is σ = 84463664. Its totient is φ = 84463662.

The previous prime is 84463661. The next prime is 84463681. The reversal of 84463663 is 36636448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84463663 - 2¹ = 84463661 is a prime.

It is a super-2 number, since 2×84463663² = 14268220734755138, which contains 22 as substring.

Together with 84463661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84463661) 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, 42231831 + 42231832.

It is an arithmetic number, because the mean of its divisors is an integer number (42231832).

Almost surely, 2^84463663 is an apocalyptic number.

84463663 is a deficient number, since it is larger than the sum of its proper divisors (1).

84463663 is an equidigital number, since it uses as much as digits as its factorization.

84463663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 40.

The square root of 84463663 is about 9190.4114706579. The cubic root of 84463663 is about 438.7562378747.

The spelling of 84463663 in words is "eighty-four million, four hundred sixty-three thousand, six hundred sixty-three".