89965783 has 2 divisors, whose sum is σ = 89965784. Its totient is φ = 89965782.

The previous prime is 89965781. The next prime is 89965787. The reversal of 89965783 is 38756998.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89965783 - 2¹ = 89965781 is a prime.

It is a super-2 number, since 2×89965783² = 16187684221606178, which contains 22 as substring.

Together with 89965781, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89965781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44982891 + 44982892.

It is an arithmetic number, because the mean of its divisors is an integer number (44982892).

Almost surely, 2^89965783 is an apocalyptic number.

89965783 is a deficient number, since it is larger than the sum of its proper divisors (1).

89965783 is an equidigital number, since it uses as much as digits as its factorization.

89965783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 55.

The square root of 89965783 is about 9485.0294148200. The cubic root of 89965783 is about 448.0836747805.

The spelling of 89965783 in words is "eighty-nine million, nine hundred sixty-five thousand, seven hundred eighty-three".