8278367172 has 48 divisors (see below), whose sum is σ = 19665918720. Its totient is φ = 2709601312.

The previous prime is 8278367159. The next prime is 8278367177. The reversal of 8278367172 is 2717638728.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8278367177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664303 + ... + 676649.

It is an arithmetic number, because the mean of its divisors is an integer number (409706640).

Almost surely, 2^8278367172 is an apocalyptic number.

It is an amenable number.

8278367172 is an abundant number, since it is smaller than the sum of its proper divisors (11387551548).

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

8278367172 is a wasteful number, since it uses less digits than its factorization.

8278367172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13360 (or 13358 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 51.

The square root of 8278367172 is about 90985.5327620826. The cubic root of 8278367172 is about 2022.9332912887.

The spelling of 8278367172 in words is "eight billion, two hundred seventy-eight million, three hundred sixty-seven thousand, one hundred seventy-two".