30805277067 has 12 divisors (see below), whose sum is σ = 44556408624. Its totient is φ = 20509206480.

The previous prime is 30805277059. The next prime is 30805277071. The reversal of 30805277067 is 76077250803.

It is not a de Polignac number, because 30805277067 - 2³ = 30805277059 is a prime.

It is a super-2 number, since 2×30805277067² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (30805277077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2296684 + ... + 2310057.

It is an arithmetic number, because the mean of its divisors is an integer number (3713034052).

Almost surely, 2^30805277067 is an apocalyptic number.

30805277067 is a deficient number, since it is larger than the sum of its proper divisors (13751131557).

30805277067 is a wasteful number, since it uses less digits than its factorization.

30805277067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4607490 (or 4607487 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 30805277067 in words is "thirty billion, eight hundred five million, two hundred seventy-seven thousand, sixty-seven".