89168291 has 2 divisors, whose sum is σ = 89168292. Its totient is φ = 89168290.

The previous prime is 89168269. The next prime is 89168323. The reversal of 89168291 is 19286198.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89168291 - 2⁶ = 89168227 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89168201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44584145 + 44584146.

It is an arithmetic number, because the mean of its divisors is an integer number (44584146).

Almost surely, 2^89168291 is an apocalyptic number.

89168291 is a deficient number, since it is larger than the sum of its proper divisors (1).

89168291 is an equidigital number, since it uses as much as digits as its factorization.

89168291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 44.

The square root of 89168291 is about 9442.8963247512. The cubic root of 89168291 is about 446.7557467565.

The spelling of 89168291 in words is "eighty-nine million, one hundred sixty-eight thousand, two hundred ninety-one".