8742556344906 has 12 divisors (see below), whose sum is σ = 18942205414002. Its totient is φ = 2914185448296.

The previous prime is 8742556344887. The next prime is 8742556344943. The reversal of 8742556344906 is 6094436552478.

8742556344906 is a `hidden beast` number, since 8 + 7 + 4 + 2 + 556 + 34 + 49 + 0 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7480000731681 + 1262555613225 = 2734959^2 + 1123635^2 .

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 5 ways as a sum of consecutive naturals, for example, 242848787341 + ... + 242848787376.

Almost surely, 2^{8742556344906} is an apocalyptic number.

8742556344906 is an abundant number, since it is smaller than the sum of its proper divisors (10199649069096).

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

8742556344906 is a wasteful number, since it uses less digits than its factorization.

8742556344906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485697574725 (or 485697574722 counting only the distinct ones).

The product of its (nonzero) digits is 174182400, while the sum is 63.

The spelling of 8742556344906 in words is "eight trillion, seven hundred forty-two billion, five hundred fifty-six million, three hundred forty-four thousand, nine hundred six".