8269378872 has 32 divisors (see below), whose sum is σ = 20856404880. Its totient is φ = 2732065280.

The previous prime is 8269378829. The next prime is 8269378883. The reversal of 8269378872 is 2788739628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1521879 + ... + 1527302.

Almost surely, 2^8269378872 is an apocalyptic number.

It is an amenable number.

8269378872 is an abundant number, since it is smaller than the sum of its proper divisors (12587026008).

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

8269378872 is a wasteful number, since it uses less digits than its factorization.

8269378872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049303 (or 3049299 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 60.

The square root of 8269378872 is about 90936.1252308454. The cubic root of 8269378872 is about 2022.2008877613.

The spelling of 8269378872 in words is "eight billion, two hundred sixty-nine million, three hundred seventy-eight thousand, eight hundred seventy-two".