8782128646746 has 32 divisors (see below), whose sum is σ = 21617547439488. Its totient is φ = 2316165796800.

The previous prime is 8782128646649. The next prime is 8782128646747. The reversal of 8782128646746 is 6476468212878.

It is not an unprimeable number, because it can be changed into a prime (8782128646747) 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, 8042241805 + ... + 8042242896.

It is an arithmetic number, because the mean of its divisors is an integer number (675548357484).

Almost surely, 2^{8782128646746} is an apocalyptic number.

8782128646746 is an abundant number, since it is smaller than the sum of its proper divisors (12835418792742).

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

8782128646746 is a wasteful number, since it uses less digits than its factorization.

8782128646746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16084484726.

The product of its digits is 346816512, while the sum is 69.

The spelling of 8782128646746 in words is "eight trillion, seven hundred eighty-two billion, one hundred twenty-eight million, six hundred forty-six thousand, seven hundred forty-six".