8266860000 has 660 divisors, whose sum is σ = 34864458552. Its totient is φ = 1889568000.

The previous prime is 8266859981. The next prime is 8266860001. The reversal of 8266860000 is 686628.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8266860001) by changing a digit.

It is a polite number, since it can be written in 109 ways as a sum of consecutive naturals, for example, 1180979997 + ... + 1180980003.

Almost surely, 2^8266860000 is an apocalyptic number.

8266860000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8266860000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17432229276).

8266860000 is an abundant number, since it is smaller than the sum of its proper divisors (26597598552).

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

8266860000 is an frugal number, since it uses more digits than its factorization.

8266860000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 8266860000 is about 90922.2744986068. The cubic root of 8266860000 is about 2021.9955445490.

The spelling of 8266860000 in words is "eight billion, two hundred sixty-six million, eight hundred sixty thousand".