8272290109 has 4 divisors (see below), whose sum is σ = 8278649820. Its totient is φ = 8265930400.

The previous prime is 8272290067. The next prime is 8272290121. The reversal of 8272290109 is 9010922728.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2906288100 + 5366002009 = 53910^2 + 73253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8272290109 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8272290199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3177904 + ... + 3180505.

It is an arithmetic number, because the mean of its divisors is an integer number (2069662455).

Almost surely, 2^8272290109 is an apocalyptic number.

It is an amenable number.

8272290109 is a deficient number, since it is larger than the sum of its proper divisors (6359711).

8272290109 is a wasteful number, since it uses less digits than its factorization.

8272290109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6359710.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 8272290109 is about 90952.1308656372. The cubic root of 8272290109 is about 2022.4381653698.

The spelling of 8272290109 in words is "eight billion, two hundred seventy-two million, two hundred ninety thousand, one hundred nine".