89668753 has 2 divisors, whose sum is σ = 89668754. Its totient is φ = 89668752.

The previous prime is 89668699. The next prime is 89668757. The reversal of 89668753 is 35786698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67125249 + 22543504 = 8193^2 + 4748^2 .

It is a cyclic number.

It is not a de Polignac number, because 89668753 - 2¹³ = 89660561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89668753.

It is not a weakly prime, because it can be changed into another prime (89668757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44834376 + 44834377.

It is an arithmetic number, because the mean of its divisors is an integer number (44834377).

Almost surely, 2^89668753 is an apocalyptic number.

It is an amenable number.

89668753 is a deficient number, since it is larger than the sum of its proper divisors (1).

89668753 is an equidigital number, since it uses as much as digits as its factorization.

89668753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 52.

The square root of 89668753 is about 9469.3586372045. The cubic root of 89668753 is about 447.5900017679.

The spelling of 89668753 in words is "eighty-nine million, six hundred sixty-eight thousand, seven hundred fifty-three".