894704647 has 2 divisors, whose sum is σ = 894704648. Its totient is φ = 894704646.

The previous prime is 894704633. The next prime is 894704653. The reversal of 894704647 is 746407498.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 894704647 - 2⁷ = 894704519 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 894704647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (894704617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447352323 + 447352324.

It is an arithmetic number, because the mean of its divisors is an integer number (447352324).

Almost surely, 2^894704647 is an apocalyptic number.

894704647 is a deficient number, since it is larger than the sum of its proper divisors (1).

894704647 is an equidigital number, since it uses as much as digits as its factorization.

894704647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The square root of 894704647 is about 29911.6139149996. The cubic root of 894704647 is about 963.5921005044.

The spelling of 894704647 in words is "eight hundred ninety-four million, seven hundred four thousand, six hundred forty-seven".