89445855625 has 45 divisors (see below), whose sum is σ = 130096080147. Its totient is φ = 61298412000.

The previous prime is 89445855607. The next prime is 89445855641. The reversal of 89445855625 is 52655854498.

The square root of 89445855625 is 299075.

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

It can be written as a sum of positive squares in 7 ways, for example, as 87042110841 + 2403744784 = 295029^2 + 49028^2 .

It is not a de Polignac number, because 89445855625 - 2¹¹ = 89445853577 is a prime.

It is a super-2 number, since 2×89445855625² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 52337271 + ... + 52338979.

Almost surely, 2^89445855625 is an apocalyptic number.

89445855625 is the 299075-th square number.

89445855625 is the 149538-th centered octagonal number.

It is an amenable number.

89445855625 is a deficient number, since it is larger than the sum of its proper divisors (40650224522).

89445855625 is an frugal number, since it uses more digits than its factorization.

89445855625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3452 (or 1721 counting only the distinct ones).

The product of its digits is 69120000, while the sum is 61.

The spelling of 89445855625 in words is "eighty-nine billion, four hundred forty-five million, eight hundred fifty-five thousand, six hundred twenty-five".