30684467087 has 2 divisors, whose sum is σ = 30684467088. Its totient is φ = 30684467086.

The previous prime is 30684467083. The next prime is 30684467113. The reversal of 30684467087 is 78076448603.

It is a weak prime.

It is an emirp because it is prime and its reverse (78076448603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30684467087 - 2² = 30684467083 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30684467083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15342233543 + 15342233544.

It is an arithmetic number, because the mean of its divisors is an integer number (15342233544).

Almost surely, 2^30684467087 is an apocalyptic number.

30684467087 is a deficient number, since it is larger than the sum of its proper divisors (1).

30684467087 is an equidigital number, since it uses as much as digits as its factorization.

30684467087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5419008, while the sum is 53.

The spelling of 30684467087 in words is "thirty billion, six hundred eighty-four million, four hundred sixty-seven thousand, eighty-seven".