9678180816 has 60 divisors (see below), whose sum is σ = 27338643072. Its totient is φ = 3195905088.

The previous prime is 9678180797. The next prime is 9678180821. The reversal of 9678180816 is 6180818769.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 298656 + ... + 329471.

Almost surely, 2^9678180816 is an apocalyptic number.

It is an amenable number.

9678180816 is an abundant number, since it is smaller than the sum of its proper divisors (17660462256).

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

9678180816 is a wasteful number, since it uses less digits than its factorization.

9678180816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628248 (or 628239 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The square root of 9678180816 is about 98377.7455322087. The cubic root of 9678180816 is about 2131.0709578315.

The spelling of 9678180816 in words is "nine billion, six hundred seventy-eight million, one hundred eighty thousand, eight hundred sixteen".