27845338146 has 32 divisors (see below), whose sum is σ = 57754857600. Its totient is φ = 8939347200.

The previous prime is 27845338099. The next prime is 27845338177. The reversal of 27845338146 is 64183354872.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 129766 + ... + 269313.

It is an arithmetic number, because the mean of its divisors is an integer number (1804839300).

Almost surely, 2^27845338146 is an apocalyptic number.

27845338146 is an abundant number, since it is smaller than the sum of its proper divisors (29909519454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27845338146 is a wasteful number, since it uses less digits than its factorization.

27845338146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399514.

The product of its digits is 3870720, while the sum is 51.

The spelling of 27845338146 in words is "twenty-seven billion, eight hundred forty-five million, three hundred thirty-eight thousand, one hundred forty-six".