895917647 has 2 divisors, whose sum is σ = 895917648. Its totient is φ = 895917646.

The previous prime is 895917641. The next prime is 895917661. The reversal of 895917647 is 746719598.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-895917647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 895917592 and 895917601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (895917641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447958823 + 447958824.

It is an arithmetic number, because the mean of its divisors is an integer number (447958824).

Almost surely, 2^895917647 is an apocalyptic number.

895917647 is a deficient number, since it is larger than the sum of its proper divisors (1).

895917647 is an equidigital number, since it uses as much as digits as its factorization.

895917647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 56.

The square root of 895917647 is about 29931.8834522654. The cubic root of 895917647 is about 964.0273686869.

The spelling of 895917647 in words is "eight hundred ninety-five million, nine hundred seventeen thousand, six hundred forty-seven".