8649432327880 has 16 divisors (see below), whose sum is σ = 19461222737820. Its totient is φ = 3459772931136.

The previous prime is 8649432327839. The next prime is 8649432327917. The reversal of 8649432327880 is 887232349468.

It can be written as a sum of positive squares in 2 ways, for example, as 7928695850436 + 720736477444 = 2815794^2 + 848962^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108117904059 + ... + 108117904138.

Almost surely, 2^{8649432327880} is an apocalyptic number.

It is an amenable number.

8649432327880 is an abundant number, since it is smaller than the sum of its proper divisors (10811790409940).

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

8649432327880 is a wasteful number, since it uses less digits than its factorization.

8649432327880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216235808208 (or 216235808204 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 64.

The spelling of 8649432327880 in words is "eight trillion, six hundred forty-nine billion, four hundred thirty-two million, three hundred twenty-seven thousand, eight hundred eighty".