8211265090 has 32 divisors (see below), whose sum is σ = 17210465280. Its totient is φ = 2762170944.

The previous prime is 8211265061. The next prime is 8211265099. The reversal of 8211265090 is 905621128.

It is not an unprimeable number, because it can be changed into a prime (8211265099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1102930 + ... + 1110349.

It is an arithmetic number, because the mean of its divisors is an integer number (537827040).

Almost surely, 2^8211265090 is an apocalyptic number.

8211265090 is an abundant number, since it is smaller than the sum of its proper divisors (8999200190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8211265090 is a wasteful number, since it uses less digits than its factorization.

8211265090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213346.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 8211265090 is about 90616.0310872199. The cubic root of 8211265090 is about 2017.4526830915.

The spelling of 8211265090 in words is "eight billion, two hundred eleven million, two hundred sixty-five thousand, ninety".