869385895 has 16 divisors (see below), whose sum is σ = 1192811328. Its totient is φ = 595895040.

The previous prime is 869385889. The next prime is 869385941. The reversal of 869385895 is 598583968.

It is not a de Polignac number, because 869385895 - 2³ = 869385887 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117547 + ... + 124723.

It is an arithmetic number, because the mean of its divisors is an integer number (74550708).

Almost surely, 2^869385895 is an apocalyptic number.

869385895 is a deficient number, since it is larger than the sum of its proper divisors (323425433).

869385895 is a wasteful number, since it uses less digits than its factorization.

869385895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10650.

The product of its digits is 18662400, while the sum is 61.

The square root of 869385895 is about 29485.3505151287. The cubic root of 869385895 is about 954.4156014510.

The spelling of 869385895 in words is "eight hundred sixty-nine million, three hundred eighty-five thousand, eight hundred ninety-five".