89643353 has 2 divisors, whose sum is σ = 89643354. Its totient is φ = 89643352.

The previous prime is 89643319. The next prime is 89643371. The reversal of 89643353 is 35334698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82228624 + 7414729 = 9068^2 + 2723^2 .

It is a cyclic number.

It is not a de Polignac number, because 89643353 - 2²⁴ = 72866137 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89643353.

It is not a weakly prime, because it can be changed into another prime (89643383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44821676 + 44821677.

It is an arithmetic number, because the mean of its divisors is an integer number (44821677).

Almost surely, 2^89643353 is an apocalyptic number.

It is an amenable number.

89643353 is a deficient number, since it is larger than the sum of its proper divisors (1).

89643353 is an equidigital number, since it uses as much as digits as its factorization.

89643353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 41.

The square root of 89643353 is about 9468.0173742975. The cubic root of 89643353 is about 447.5477356150.

The spelling of 89643353 in words is "eighty-nine million, six hundred forty-three thousand, three hundred fifty-three".