89821288804 has 27 divisors (see below), whose sum is σ = 170223452217. Its totient is φ = 41452383024.

The previous prime is 89821288801. The next prime is 89821288811. The reversal of 89821288804 is 40888212898.

The square root of 89821288804 is 299702.

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., 13287172900 + 76534115904 = 115270^2 + 276648^2 .

It is not an unprimeable number, because it can be changed into a prime (89821288801) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7786489 + ... + 7798015.

Almost surely, 2^89821288804 is an apocalyptic number.

89821288804 is the 299702-nd square number.

It is an amenable number.

89821288804 is a deficient number, since it is larger than the sum of its proper divisors (80402163413).

89821288804 is an equidigital number, since it uses as much as digits as its factorization.

89821288804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23084 (or 11542 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 58.

The spelling of 89821288804 in words is "eighty-nine billion, eight hundred twenty-one million, two hundred eighty-eight thousand, eight hundred four".