8556207470272 has 112 divisors (see below), whose sum is σ = 21343225466880. Its totient is φ = 3333587093760.

The previous prime is 8556207470159. The next prime is 8556207470273. The reversal of 8556207470272 is 2720747026558.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (8556207470273) 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, 6578272 + ... + 7770847.

Almost surely, 2^{8556207470272} is an apocalyptic number.

It is an amenable number.

8556207470272 is an abundant number, since it is smaller than the sum of its proper divisors (12787017996608).

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

8556207470272 is a wasteful number, since it uses less digits than its factorization.

8556207470272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14349171 (or 14349139 counting only the distinct ones).

The product of its (nonzero) digits is 13171200, while the sum is 55.

The spelling of 8556207470272 in words is "eight trillion, five hundred fifty-six billion, two hundred seven million, four hundred seventy thousand, two hundred seventy-two".