83883281 has 4 divisors (see below), whose sum is σ = 83904000. Its totient is φ = 83862564.

The previous prime is 83883269. The next prime is 83883299. The reversal of 83883281 is 18238838.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18238838 = 2 ⋅9119419.

It is a cyclic number.

It is not a de Polignac number, because 83883281 - 2¹⁰ = 83882257 is a prime.

It is a super-2 number, since 2×83883281² = 14072809662649922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83883211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2081 + ... + 13118.

It is an arithmetic number, because the mean of its divisors is an integer number (20976000).

Almost surely, 2^83883281 is an apocalyptic number.

It is an amenable number.

83883281 is a deficient number, since it is larger than the sum of its proper divisors (20719).

83883281 is a wasteful number, since it uses less digits than its factorization.

83883281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20718.

The product of its digits is 73728, while the sum is 41.

The square root of 83883281 is about 9158.7816329466. The cubic root of 83883281 is about 437.7489734976.

The spelling of 83883281 in words is "eighty-three million, eight hundred eighty-three thousand, two hundred eighty-one".