9780247458064 has 20 divisors (see below), whose sum is σ = 18959324995404. Its totient is φ = 4887518427008.

The previous prime is 9780247457999. The next prime is 9780247458131. The reversal of 9780247458064 is 4608547420879.

It can be written as a sum of positive squares in 2 ways, for example, as 8460000497664 + 1320246960400 = 2908608^2 + 1149020^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9780247457987 and 9780247458005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162800407 + ... + 162860470.

Almost surely, 2^{9780247458064} is an apocalyptic number.

It is an amenable number.

9780247458064 is a deficient number, since it is larger than the sum of its proper divisors (9179077537340).

9780247458064 is a wasteful number, since it uses less digits than its factorization.

9780247458064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325662762 (or 325662756 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 64.

The spelling of 9780247458064 in words is "nine trillion, seven hundred eighty billion, two hundred forty-seven million, four hundred fifty-eight thousand, sixty-four".