83983663 has 2 divisors, whose sum is σ = 83983664. Its totient is φ = 83983662.

The previous prime is 83983643. The next prime is 83983717. The reversal of 83983663 is 36638938.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83983663 - 2¹⁷ = 83852591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83983643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41991831 + 41991832.

It is an arithmetic number, because the mean of its divisors is an integer number (41991832).

Almost surely, 2^83983663 is an apocalyptic number.

83983663 is a deficient number, since it is larger than the sum of its proper divisors (1).

83983663 is an equidigital number, since it uses as much as digits as its factorization.

83983663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 46.

The square root of 83983663 is about 9164.2600901546. The cubic root of 83983663 is about 437.9235200034.

The spelling of 83983663 in words is "eighty-three million, nine hundred eighty-three thousand, six hundred sixty-three".