89668793 has 2 divisors, whose sum is σ = 89668794. Its totient is φ = 89668792.

The previous prime is 89668781. The next prime is 89668861. The reversal of 89668793 is 39786698.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53042089 + 36626704 = 7283^2 + 6052^2 .

It is a cyclic number.

It is not a de Polignac number, because 89668793 - 2¹⁰ = 89667769 is a prime.

It is not a weakly prime, because it can be changed into another prime (89668753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44834396 + 44834397.

It is an arithmetic number, because the mean of its divisors is an integer number (44834397).

Almost surely, 2^89668793 is an apocalyptic number.

It is an amenable number.

89668793 is a deficient number, since it is larger than the sum of its proper divisors (1).

89668793 is an equidigital number, since it uses as much as digits as its factorization.

89668793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 56.

The square root of 89668793 is about 9469.3607492798. The cubic root of 89668793 is about 447.5900683225.

The spelling of 89668793 in words is "eighty-nine million, six hundred sixty-eight thousand, seven hundred ninety-three".