89188836025 has 9 divisors (see below), whose sum is σ = 110596008301. Its totient is φ = 71349874240.

The previous prime is 89188835977. The next prime is 89188836029. The reversal of 89188836025 is 52063888198.

The square root of 89188836025 is 298645.

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

It can be written as a sum of positive squares in 4 ways, for example, as 3506179369 + 85682656656 = 59213^2 + 292716^2 .

It is not a de Polignac number, because 89188836025 - 2¹⁵ = 89188803257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89188836029) 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, 1463361 + ... + 1523089.

Almost surely, 2^89188836025 is an apocalyptic number.

89188836025 is the 298645-th square number.

89188836025 is the 149323-rd centered octagonal number.

It is an amenable number.

89188836025 is a deficient number, since it is larger than the sum of its proper divisors (21407172276).

89188836025 is an frugal number, since it uses more digits than its factorization.

89188836025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119468 (or 59734 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 58.

The spelling of 89188836025 in words is "eighty-nine billion, one hundred eighty-eight million, eight hundred thirty-six thousand, twenty-five".