8266886628 has 144 divisors (see below), whose sum is σ = 26361808704. Its totient is φ = 1982050560.

The previous prime is 8266886603. The next prime is 8266886647.

8266886628 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34926 + ... + 133242.

It is an arithmetic number, because the mean of its divisors is an integer number (183068116).

Almost surely, 2^8266886628 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 8266886628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13180904352).

8266886628 is an abundant number, since it is smaller than the sum of its proper divisors (18094922076).

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

8266886628 is a wasteful number, since it uses less digits than its factorization.

8266886628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98362 (or 98353 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 60.

The square root of 8266886628 is about 90922.4209312533. The cubic root of 8266886628 is about 2021.9977155321.

The spelling of 8266886628 in words is "eight billion, two hundred sixty-six million, eight hundred eighty-six thousand, six hundred twenty-eight".