30766393660875 has 16 divisors (see below), whose sum is σ = 51195279052320. Its totient is φ = 16408743285600.

The previous prime is 30766393660861. The next prime is 30766393660901. The reversal of 30766393660875 is 57806639366703.

It is not a de Polignac number, because 30766393660875 - 2⁶ = 30766393660811 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41021857840 + ... + 41021858589.

It is an arithmetic number, because the mean of its divisors is an integer number (3199704940770).

Almost surely, 2^{30766393660875} is an apocalyptic number.

30766393660875 is a deficient number, since it is larger than the sum of its proper divisors (20428885391445).

30766393660875 is an equidigital number, since it uses as much as digits as its factorization.

30766393660875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82043716447 (or 82043716437 counting only the distinct ones).

The product of its (nonzero) digits is 617258880, while the sum is 69.

The spelling of 30766393660875 in words is "thirty trillion, seven hundred sixty-six billion, three hundred ninety-three million, six hundred sixty thousand, eight hundred seventy-five".