8522478354372 has 12 divisors (see below), whose sum is σ = 19885782826896. Its totient is φ = 2840826118120.

The previous prime is 8522478354361. The next prime is 8522478354391. The reversal of 8522478354372 is 2734538742258.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355103264754 + ... + 355103264777.

It is an arithmetic number, because the mean of its divisors is an integer number (1657148568908).

Almost surely, 2^{8522478354372} is an apocalyptic number.

It is an amenable number.

8522478354372 is an abundant number, since it is smaller than the sum of its proper divisors (11363304472524).

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

8522478354372 is a wasteful number, since it uses less digits than its factorization.

8522478354372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710206529538 (or 710206529536 counting only the distinct ones).

The product of its digits is 90316800, while the sum is 60.

The spelling of 8522478354372 in words is "eight trillion, five hundred twenty-two billion, four hundred seventy-eight million, three hundred fifty-four thousand, three hundred seventy-two".