89162557201 has 3 divisors (see below), whose sum is σ = 89162855803. Its totient is φ = 89162258600.

The previous prime is 89162557181. The next prime is 89162557241. The reversal of 89162557201 is 10275526198.

The square root of 89162557201 is 298601.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 62775803601 + 26386753600 = 250551^2 + 162440^2 .

It is not a de Polignac number, because 89162557201 - 2²¹ = 89160460049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89162557241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 149301 + ... + 447901.

Almost surely, 2^89162557201 is an apocalyptic number.

89162557201 is the 298601-st square number.

89162557201 is the 149301-st centered octagonal number.

It is an amenable number.

89162557201 is a deficient number, since it is larger than the sum of its proper divisors (298602).

89162557201 is an frugal number, since it uses more digits than its factorization.

89162557201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597202 (or 298601 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 46.

The spelling of 89162557201 in words is "eighty-nine billion, one hundred sixty-two million, five hundred fifty-seven thousand, two hundred one".