8539422006172 has 48 divisors (see below), whose sum is σ = 15585813829152. Its totient is φ = 4090251997440.

The previous prime is 8539422006119. The next prime is 8539422006223. The reversal of 8539422006172 is 2716002249358.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2412922 + ... + 4785502.

It is an arithmetic number, because the mean of its divisors is an integer number (324704454774).

It is a 1-persistent number, because it is pandigital, but 2⋅8539422006172 = 17078844012344 is not.

Almost surely, 2^{8539422006172} is an apocalyptic number.

It is an amenable number.

8539422006172 is a deficient number, since it is larger than the sum of its proper divisors (7046391822980).

8539422006172 is a wasteful number, since it uses less digits than its factorization.

8539422006172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372998 (or 2372996 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 8539422006172 in words is "eight trillion, five hundred thirty-nine billion, four hundred twenty-two million, six thousand, one hundred seventy-two".