8478812001322 has 16 divisors (see below), whose sum is σ = 13698563185440. Its totient is φ = 3912720497712.

The previous prime is 8478812001293. The next prime is 8478812001323. The reversal of 8478812001322 is 2231002188748.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8478812001323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23876568 + ... + 24229075.

It is an arithmetic number, because the mean of its divisors is an integer number (856160199090).

Almost surely, 2^{8478812001322} is an apocalyptic number.

8478812001322 is a deficient number, since it is larger than the sum of its proper divisors (5219751184118).

8478812001322 is a wasteful number, since it uses less digits than its factorization.

8478812001322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48112437.

The product of its (nonzero) digits is 344064, while the sum is 46.

The spelling of 8478812001322 in words is "eight trillion, four hundred seventy-eight billion, eight hundred twelve million, one thousand, three hundred twenty-two".