30680289876 has 48 divisors (see below), whose sum is σ = 72333707264. Its totient is φ = 10120281696.

The previous prime is 30680289869. The next prime is 30680289911. The reversal of 30680289876 is 67898208603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1899105 + ... + 1915191.

Almost surely, 2^30680289876 is an apocalyptic number.

It is an amenable number.

30680289876 is an abundant number, since it is smaller than the sum of its proper divisors (41653417388).

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

30680289876 is a wasteful number, since it uses less digits than its factorization.

30680289876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17740 (or 17738 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 30680289876 in words is "thirty billion, six hundred eighty million, two hundred eighty-nine thousand, eight hundred seventy-six".