30820085087 has 6 divisors (see below), whose sum is σ = 33876622584. Its totient is φ = 28018259060.

The previous prime is 30820085063. The next prime is 30820085167. The reversal of 30820085087 is 78058002803.

It is not a de Polignac number, because 30820085087 - 2¹⁶ = 30820019551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30820085017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127355603 + ... + 127355844.

It is an arithmetic number, because the mean of its divisors is an integer number (5646103764).

Almost surely, 2^30820085087 is an apocalyptic number.

30820085087 is a deficient number, since it is larger than the sum of its proper divisors (3056537497).

30820085087 is a wasteful number, since it uses less digits than its factorization.

30820085087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254711469 (or 254711458 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 30820085087 in words is "thirty billion, eight hundred twenty million, eighty-five thousand, eighty-seven".