89783 has 2 divisors, whose sum is σ = 89784. Its totient is φ = 89782.

The previous prime is 89779. The next prime is 89797. The reversal of 89783 is 38798.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89783 - 2² = 89779 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 89783.

It is not a weakly prime, because it can be changed into another prime (89753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44891 + 44892.

It is an arithmetic number, because the mean of its divisors is an integer number (44892).

2⁸⁹⁷⁸³ is an apocalyptic number.

89783 is a deficient number, since it is larger than the sum of its proper divisors (1).

89783 is an equidigital number, since it uses as much as digits as its factorization.

89783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 35.

The square root of 89783 is about 299.6381150655. The cubic root of 89783 is about 44.7780012636.

The spelling of 89783 in words is "eighty-nine thousand, seven hundred eighty-three".