8965040085 has 24 divisors (see below), whose sum is σ = 16357267680. Its totient is φ = 4529704032.

The previous prime is 8965040081. The next prime is 8965040087. The reversal of 8965040085 is 5800405698.

It is not a de Polignac number, because 8965040085 - 2² = 8965040081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8965040085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8965040081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5241859 + ... + 5243568.

It is an arithmetic number, because the mean of its divisors is an integer number (681552820).

Almost surely, 2^8965040085 is an apocalyptic number.

It is an amenable number.

8965040085 is a deficient number, since it is larger than the sum of its proper divisors (7392227595).

8965040085 is a wasteful number, since it uses less digits than its factorization.

8965040085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10485457 (or 10485454 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 8965040085 is about 94683.8955947631. The cubic root of 8965040085 is about 2077.3870113669.

The spelling of 8965040085 in words is "eight billion, nine hundred sixty-five million, forty thousand, eighty-five".