30769980666 has 32 divisors (see below), whose sum is σ = 61954454400. Its totient is φ = 10187626176.

The previous prime is 30769980643. The next prime is 30769980679. The reversal of 30769980666 is 66608996703.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4072260 + ... + 4079808.

It is an arithmetic number, because the mean of its divisors is an integer number (1936076700).

Almost surely, 2^30769980666 is an apocalyptic number.

30769980666 is an abundant number, since it is smaller than the sum of its proper divisors (31184473734).

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

30769980666 is a wasteful number, since it uses less digits than its factorization.

30769980666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12038.

The product of its (nonzero) digits is 17635968, while the sum is 60.

The spelling of 30769980666 in words is "thirty billion, seven hundred sixty-nine million, nine hundred eighty thousand, six hundred sixty-six".