30884979675128 has 16 divisors (see below), whose sum is σ = 57909550099680. Its totient is φ = 15442432981888.

The previous prime is 30884979675101. The next prime is 30884979675139. The reversal of 30884979675128 is 82157697948803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4752401 + ... + 9184512.

It is an arithmetic number, because the mean of its divisors is an integer number (3619346881230).

It is a 1-persistent number, because it is pandigital, but 2⋅30884979675128 = 61769959350256 is not.

Almost surely, 2^{30884979675128} is an apocalyptic number.

It is an amenable number.

30884979675128 is a deficient number, since it is larger than the sum of its proper divisors (27024570424552).

30884979675128 is a wasteful number, since it uses less digits than its factorization.

30884979675128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14213926 (or 14213922 counting only the distinct ones).

The product of its (nonzero) digits is 1463132160, while the sum is 77.

The spelling of 30884979675128 in words is "thirty trillion, eight hundred eighty-four billion, nine hundred seventy-nine million, six hundred seventy-five thousand, one hundred twenty-eight".