83668463 has 4 divisors (see below), whose sum is σ = 84065208. Its totient is φ = 83271720.

The previous prime is 83668447. The next prime is 83668469. The reversal of 83668463 is 36486638.

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 83668463 - 2⁴ = 83668447 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 (83668469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198056 + ... + 198477.

It is an arithmetic number, because the mean of its divisors is an integer number (21016302).

Almost surely, 2^83668463 is an apocalyptic number.

83668463 is a deficient number, since it is larger than the sum of its proper divisors (396745).

83668463 is a wasteful number, since it uses less digits than its factorization.

83668463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396744.

The product of its digits is 497664, while the sum is 44.

The square root of 83668463 is about 9147.0466818531. The cubic root of 83668463 is about 437.3749746692.

The spelling of 83668463 in words is "eighty-three million, six hundred sixty-eight thousand, four hundred sixty-three".