89074193209 has 9 divisors (see below), whose sum is σ = 89672988069. Its totient is φ = 88479376380.

The previous prime is 89074193203. The next prime is 89074193213. The reversal of 89074193209 is 90239147098.

It is a happy number.

The square root of 89074193209 is 298453.

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

It is not a de Polignac number, because 89074193209 - 2¹¹ = 89074191161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89074193203) 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, 48646924 + ... + 48648754.

It is an arithmetic number, because the mean of its divisors is an integer number (9963665341).

Almost surely, 2^89074193209 is an apocalyptic number.

89074193209 is the 298453-rd square number.

89074193209 is the 149227-th centered octagonal number.

It is an amenable number.

89074193209 is a deficient number, since it is larger than the sum of its proper divisors (598794860).

89074193209 is an frugal number, since it uses more digits than its factorization.

89074193209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3988 (or 1994 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 89074193209 in words is "eighty-nine billion, seventy-four million, one hundred ninety-three thousand, two hundred nine".