89560820869 has 16 divisors (see below), whose sum is σ = 97118600320. Its totient is φ = 82098878400.

The previous prime is 89560820857. The next prime is 89560820903. The reversal of 89560820869 is 96802806598.

It is a cyclic number.

It is not a de Polignac number, because 89560820869 - 2⁹ = 89560820357 is a prime.

It is a super-2 number, since 2×89560820869² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89560820849) 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 15 ways as a sum of consecutive naturals, for example, 10197322 + ... + 10206100.

It is an arithmetic number, because the mean of its divisors is an integer number (6069912520).

Almost surely, 2^89560820869 is an apocalyptic number.

It is an amenable number.

89560820869 is a deficient number, since it is larger than the sum of its proper divisors (7557779451).

89560820869 is a wasteful number, since it uses less digits than its factorization.

89560820869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14140.

The product of its (nonzero) digits is 14929920, while the sum is 61.

The spelling of 89560820869 in words is "eighty-nine billion, five hundred sixty million, eight hundred twenty thousand, eight hundred sixty-nine".