89066399 has 2 divisors, whose sum is σ = 89066400. Its totient is φ = 89066398.

The previous prime is 89066381. The next prime is 89066413. The reversal of 89066399 is 99366098.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89066399 is a 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 (89066359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44533199 + 44533200.

It is an arithmetic number, because the mean of its divisors is an integer number (44533200).

Almost surely, 2^89066399 is an apocalyptic number.

89066399 is a deficient number, since it is larger than the sum of its proper divisors (1).

89066399 is an equidigital number, since it uses as much as digits as its factorization.

89066399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 50.

The square root of 89066399 is about 9437.4996158940. The cubic root of 89066399 is about 446.5855136469.

The spelling of 89066399 in words is "eighty-nine million, sixty-six thousand, three hundred ninety-nine".