89500893889 has 9 divisors (see below), whose sum is σ = 98380632931. Its totient is φ = 81361457320.

The previous prime is 89500893887. The next prime is 89500893913. The reversal of 89500893889 is 98839800598.

The square root of 89500893889 is 299167.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 49544082225 + 39956811664 = 222585^2 + 199892^2 .

It is not a de Polignac number, because 89500893889 - 2¹ = 89500893887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89500893887) 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 8 ways as a sum of consecutive naturals, for example, 3277239 + ... + 3304435.

Almost surely, 2^89500893889 is an apocalyptic number.

89500893889 is the 299167-th square number.

89500893889 is the 149584-th centered octagonal number.

It is an amenable number.

89500893889 is a deficient number, since it is larger than the sum of its proper divisors (8879739042).

89500893889 is an frugal number, since it uses more digits than its factorization.

89500893889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54416 (or 27208 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 67.

It can be divided in two parts, 89500 and 893889, that added together give a palindrome (983389).

The spelling of 89500893889 in words is "eighty-nine billion, five hundred million, eight hundred ninety-three thousand, eight hundred eighty-nine".