895764565 has 8 divisors (see below), whose sum is σ = 1092539448. Its totient is φ = 704863680.

The previous prime is 895764559. The next prime is 895764577. The reversal of 895764565 is 565467598.

It can be written as a sum of positive squares in 4 ways, for example, as 1874161 + 893890404 = 1369^2 + 29898^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 895764565 - 2⁹ = 895764053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1468162 + ... + 1468771.

It is an arithmetic number, because the mean of its divisors is an integer number (136567431).

Almost surely, 2^895764565 is an apocalyptic number.

It is an amenable number.

895764565 is a deficient number, since it is larger than the sum of its proper divisors (196774883).

895764565 is a wasteful number, since it uses less digits than its factorization.

895764565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936999.

The product of its digits is 9072000, while the sum is 55.

The square root of 895764565 is about 29929.3261701629. The cubic root of 895764565 is about 963.9724590107.

The spelling of 895764565 in words is "eight hundred ninety-five million, seven hundred sixty-four thousand, five hundred sixty-five".