83993667 has 8 divisors (see below), whose sum is σ = 112110096. Its totient is φ = 55936512.

The previous prime is 83993647. The next prime is 83993671. The reversal of 83993667 is 76639938.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83993667 - 2⁶ = 83993603 is a prime.

It is a super-2 number, since 2×83993667² = 14109872192213778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83993627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11398 + ... + 17259.

It is an arithmetic number, because the mean of its divisors is an integer number (14013762).

Almost surely, 2^83993667 is an apocalyptic number.

83993667 is a deficient number, since it is larger than the sum of its proper divisors (28116429).

83993667 is a wasteful number, since it uses less digits than its factorization.

83993667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29637.

The product of its digits is 1469664, while the sum is 51.

The square root of 83993667 is about 9164.8058899248. The cubic root of 83993667 is about 437.9409075635.

The spelling of 83993667 in words is "eighty-three million, nine hundred ninety-three thousand, six hundred sixty-seven".