869008450085 has 8 divisors (see below), whose sum is σ = 1057497607296. Its totient is φ = 685415115280.

The previous prime is 869008450081. The next prime is 869008450099. The reversal of 869008450085 is 580054800968.

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

It is not a de Polignac number, because 869008450085 - 2² = 869008450081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869008450081) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1223955209 + ... + 1223955918.

It is an arithmetic number, because the mean of its divisors is an integer number (132187200912).

Almost surely, 2^869008450085 is an apocalyptic number.

It is an amenable number.

869008450085 is a deficient number, since it is larger than the sum of its proper divisors (188489157211).

869008450085 is a wasteful number, since it uses less digits than its factorization.

869008450085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447911203.

The product of its (nonzero) digits is 2764800, while the sum is 53.

The spelling of 869008450085 in words is "eight hundred sixty-nine billion, eight million, four hundred fifty thousand, eighty-five".