89139267844 has 81 divisors (see below), whose sum is σ = 176280789909. Its totient is φ = 39410184000.

The previous prime is 89139267829. The next prime is 89139267851. The reversal of 89139267844 is 44876293198.

The square root of 89139267844 is 298562.

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., 4295229444 + 84844038400 = 65538^2 + 291280^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 269302759 + ... + 269303089.

Almost surely, 2^89139267844 is an apocalyptic number.

89139267844 is the 298562-nd square number.

It is an amenable number.

89139267844 is a deficient number, since it is larger than the sum of its proper divisors (87141522065).

89139267844 is a wasteful number, since it uses less digits than its factorization.

89139267844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 385 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 61.

The spelling of 89139267844 in words is "eighty-nine billion, one hundred thirty-nine million, two hundred sixty-seven thousand, eight hundred forty-four".