8266127872 has 160 divisors (see below), whose sum is σ = 18434034432. Its totient is φ = 3683057664.

The previous prime is 8266127813. The next prime is 8266127887. The reversal of 8266127872 is 2787216628.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31430013 + ... + 31430275.

Almost surely, 2^8266127872 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 8266127872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9217017216).

8266127872 is an abundant number, since it is smaller than the sum of its proper divisors (10167906560).

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

8266127872 is a wasteful number, since it uses less digits than its factorization.

8266127872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 462 counting only the distinct ones).

The product of its digits is 903168, while the sum is 49.

The square root of 8266127872 is about 90918.2482893286. The cubic root of 8266127872 is about 2021.9358522653.

The spelling of 8266127872 in words is "eight billion, two hundred sixty-six million, one hundred twenty-seven thousand, eight hundred seventy-two".