89913021025 has 9 divisors (see below), whose sum is σ = 111494005203. Its totient is φ = 71929217400.

The previous prime is 89913020983. The next prime is 89913021043. The reversal of 89913021025 is 52012031998.

The square root of 89913021025 is 299855.

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., 32368687569 + 57544333456 = 179913^2 + 239884^2 .

It is not a de Polignac number, because 89913021025 - 2⁹ = 89913020513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1469290 + ... + 1529260.

Almost surely, 2^89913021025 is an apocalyptic number.

89913021025 is the 299855-th square number.

89913021025 is the 149928-th centered octagonal number.

It is an amenable number.

89913021025 is a deficient number, since it is larger than the sum of its proper divisors (21580984178).

89913021025 is an frugal number, since it uses more digits than its factorization.

89913021025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119952 (or 59976 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 89913021025 in words is "eighty-nine billion, nine hundred thirteen million, twenty-one thousand, twenty-five".