89218703025 has 27 divisors (see below), whose sum is σ = 159808635649. Its totient is φ = 47580918720.

The previous prime is 89218703023. The next prime is 89218703027. The reversal of 89218703025 is 52030781298.

It is a happy number.

The square root of 89218703025 is 298695.

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

It is an interprime number because it is at equal distance from previous prime (89218703023) and next prime (89218703027).

It can be written as a sum of positive squares in 4 ways, for example, as 43844590881 + 45374112144 = 209391^2 + 213012^2 .

It is not a de Polignac number, because 89218703025 - 2¹ = 89218703023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89218703023) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4470469 + ... + 4490381.

Almost surely, 2^89218703025 is an apocalyptic number.

89218703025 is the 298695-th square number.

89218703025 is the 149348-th centered octagonal number.

It is an amenable number.

89218703025 is a deficient number, since it is larger than the sum of its proper divisors (70589932624).

89218703025 is an frugal number, since it uses more digits than its factorization.

89218703025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39842 (or 19921 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 89218703025 in words is "eighty-nine billion, two hundred eighteen million, seven hundred three thousand, twenty-five".