8273686528 has 52 divisors (see below), whose sum is σ = 16583826240. Its totient is φ = 4127227904.

The previous prime is 8273686507. The next prime is 8273686537. The reversal of 8273686528 is 8256863728.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1959876 + ... + 1964092.

Almost surely, 2^8273686528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8273686528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8291913120).

8273686528 is an abundant number, since it is smaller than the sum of its proper divisors (8310139712).

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

8273686528 is an equidigital number, since it uses as much as digits as its factorization.

8273686528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4720 (or 4698 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 55.

The square root of 8273686528 is about 90959.8072117570. The cubic root of 8273686528 is about 2022.5519594198.

The spelling of 8273686528 in words is "eight billion, two hundred seventy-three million, six hundred eighty-six thousand, five hundred twenty-eight".