895775399 has 2 divisors, whose sum is σ = 895775400. Its totient is φ = 895775398.

The previous prime is 895775389. The next prime is 895775417. The reversal of 895775399 is 993577598.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-895775399 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 (895775329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447887699 + 447887700.

It is an arithmetic number, because the mean of its divisors is an integer number (447887700).

Almost surely, 2^895775399 is an apocalyptic number.

895775399 is a deficient number, since it is larger than the sum of its proper divisors (1).

895775399 is an equidigital number, since it uses as much as digits as its factorization.

895775399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21432600, while the sum is 62.

The square root of 895775399 is about 29929.5071626647. The cubic root of 895775399 is about 963.9763453129.

The spelling of 895775399 in words is "eight hundred ninety-five million, seven hundred seventy-five thousand, three hundred ninety-nine".