894368663 has 2 divisors, whose sum is σ = 894368664. Its totient is φ = 894368662.

The previous prime is 894368647. The next prime is 894368723. The reversal of 894368663 is 366863498.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 894368663 - 2⁴ = 894368647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (894368263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447184331 + 447184332.

It is an arithmetic number, because the mean of its divisors is an integer number (447184332).

Almost surely, 2^894368663 is an apocalyptic number.

894368663 is a deficient number, since it is larger than the sum of its proper divisors (1).

894368663 is an equidigital number, since it uses as much as digits as its factorization.

894368663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4478976, while the sum is 53.

The square root of 894368663 is about 29905.9971076037. The cubic root of 894368663 is about 963.4714677484.

The spelling of 894368663 in words is "eight hundred ninety-four million, three hundred sixty-eight thousand, six hundred sixty-three".