8478167512180 has 12 divisors (see below), whose sum is σ = 17804151775620. Its totient is φ = 3391267004864.

The previous prime is 8478167512163. The next prime is 8478167512183. The reversal of 8478167512180 is 812157618748.

It can be written as a sum of positive squares in 2 ways, for example, as 5165374380516 + 3312793131664 = 2272746^2 + 1820108^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478167512183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211954187785 + ... + 211954187824.

It is an arithmetic number, because the mean of its divisors is an integer number (1483679314635).

Almost surely, 2^{8478167512180} is an apocalyptic number.

It is an amenable number.

8478167512180 is an abundant number, since it is smaller than the sum of its proper divisors (9325984263440).

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

8478167512180 is a wasteful number, since it uses less digits than its factorization.

8478167512180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423908375618 (or 423908375616 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 58.

The spelling of 8478167512180 in words is "eight trillion, four hundred seventy-eight billion, one hundred sixty-seven million, five hundred twelve thousand, one hundred eighty".