89110011169 has 3 divisors (see below), whose sum is σ = 89110309683. Its totient is φ = 89109712656.

The previous prime is 89110011167. The next prime is 89110011223. The reversal of 89110011169 is 96111001198.

The square root of 89110011169 is 298513.

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., 51904230625 + 37205780544 = 227825^2 + 192888^2 .

It is not a de Polignac number, because 89110011169 - 2¹ = 89110011167 is a prime.

It is a super-2 number, since 2×89110011169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89110011161) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 149257 + ... + 447769.

It is an arithmetic number, because the mean of its divisors is an integer number (29703436561).

Almost surely, 2^89110011169 is an apocalyptic number.

89110011169 is the 298513-rd square number.

89110011169 is the 149257-th centered octagonal number.

It is an amenable number.

89110011169 is a deficient number, since it is larger than the sum of its proper divisors (298514).

89110011169 is an frugal number, since it uses more digits than its factorization.

89110011169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597026 (or 298513 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 37.

The spelling of 89110011169 in words is "eighty-nine billion, one hundred ten million, eleven thousand, one hundred sixty-nine".