83967667 has 4 divisors (see below), whose sum is σ = 95963056. Its totient is φ = 71972280.

The previous prime is 83967643. The next prime is 83967703. The reversal of 83967667 is 76676938.

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 83967667 - 2¹¹ = 83965619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83967617) 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 in 3 ways as a sum of consecutive naturals, for example, 5997684 + ... + 5997697.

It is an arithmetic number, because the mean of its divisors is an integer number (23990764).

Almost surely, 2^83967667 is an apocalyptic number.

83967667 is a deficient number, since it is larger than the sum of its proper divisors (11995389).

83967667 is a wasteful number, since it uses less digits than its factorization.

83967667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11995388.

The product of its digits is 2286144, while the sum is 52.

The square root of 83967667 is about 9163.3873103782. The cubic root of 83967667 is about 437.8957151139.

The spelling of 83967667 in words is "eighty-three million, nine hundred sixty-seven thousand, six hundred sixty-seven".