89797943 has 2 divisors, whose sum is σ = 89797944. Its totient is φ = 89797942.

The previous prime is 89797909. The next prime is 89797963. The reversal of 89797943 is 34979798.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89797943 - 2⁶ = 89797879 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89797963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44898971 + 44898972.

It is an arithmetic number, because the mean of its divisors is an integer number (44898972).

Almost surely, 2^89797943 is an apocalyptic number.

89797943 is a deficient number, since it is larger than the sum of its proper divisors (1).

89797943 is an equidigital number, since it uses as much as digits as its factorization.

89797943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3429216, while the sum is 56.

The square root of 89797943 is about 9476.1776576846. The cubic root of 89797943 is about 447.8048532913.

The spelling of 89797943 in words is "eighty-nine million, seven hundred ninety-seven thousand, nine hundred forty-three".