30830778008 has 8 divisors (see below), whose sum is σ = 57807708780. Its totient is φ = 15415389000.

The previous prime is 30830777983. The next prime is 30830778019. The reversal of 30830778008 is 80087703803.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 30830778008.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1926923618 + ... + 1926923633.

Almost surely, 2^30830778008 is an apocalyptic number.

It is an amenable number.

30830778008 is a deficient number, since it is larger than the sum of its proper divisors (26976930772).

30830778008 is a wasteful number, since it uses less digits than its factorization.

30830778008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853847257 (or 3853847253 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 30830778008 in words is "thirty billion, eight hundred thirty million, seven hundred seventy-eight thousand, eight".