83938081 has 2 divisors, whose sum is σ = 83938082. Its totient is φ = 83938080.

The previous prime is 83938079. The next prime is 83938103. The reversal of 83938081 is 18083938.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77281681 + 6656400 = 8791^2 + 2580^2 .

It is a cyclic number.

It is not a de Polignac number, because 83938081 - 2¹ = 83938079 is a prime.

It is a super-2 number, since 2×83938081² = 14091202883925122, which contains 22 as substring.

Together with 83938079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (83938781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41969040 + 41969041.

It is an arithmetic number, because the mean of its divisors is an integer number (41969041).

Almost surely, 2^83938081 is an apocalyptic number.

It is an amenable number.

83938081 is a deficient number, since it is larger than the sum of its proper divisors (1).

83938081 is an equidigital number, since it uses as much as digits as its factorization.

83938081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 83938081 is about 9161.7728087963. The cubic root of 83938081 is about 437.8442782334.

The spelling of 83938081 in words is "eighty-three million, nine hundred thirty-eight thousand, eighty-one".