89359681650625 has 45 divisors (see below), whose sum is σ = 112730192229501. Its totient is φ = 70811475912000.

The previous prime is 89359681650611. The next prime is 89359681650677. The reversal of 89359681650625 is 52605618695398.

It is a happy number.

The square root of 89359681650625 is 9453025.

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

It can be written as a sum of positive squares in 22 ways, for example, as 52412054306689 + 36947627343936 = 7239617^2 + 6078456^2 .

It is not a de Polignac number, because 89359681650625 - 2²³ = 89359673262017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 25759491391 + ... + 25759494859.

Almost surely, 2^{89359681650625} is an apocalyptic number.

89359681650625 is the 9453025-th square number.

89359681650625 is the 4726513-rd centered octagonal number.

It is an amenable number.

89359681650625 is a deficient number, since it is larger than the sum of its proper divisors (23370510578876).

89359681650625 is an frugal number, since it uses more digits than its factorization.

89359681650625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7176 (or 3583 counting only the distinct ones).

The product of its (nonzero) digits is 839808000, while the sum is 73.

The spelling of 89359681650625 in words is "eighty-nine trillion, three hundred fifty-nine billion, six hundred eighty-one million, six hundred fifty thousand, six hundred twenty-five".