30647881368 has 96 divisors (see below), whose sum is σ = 89432506800. Its totient is φ = 9425597184.

The previous prime is 30647881321. The next prime is 30647881373. The reversal of 30647881368 is 86318874603.

30647881368 is a `hidden beast` number, since 30 + 6 + 478 + 8 + 136 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2311863 + ... + 2325081.

Almost surely, 2^30647881368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30647881368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44716253400).

30647881368 is an abundant number, since it is smaller than the sum of its proper divisors (58784625432).

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

30647881368 is a wasteful number, since it uses less digits than its factorization.

30647881368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15721 (or 15714 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 30647881368 in words is "thirty billion, six hundred forty-seven million, eight hundred eighty-one thousand, three hundred sixty-eight".