27833794561 has 16 divisors (see below), whose sum is σ = 30041928000. Its totient is φ = 25693106688.

The previous prime is 27833794553. The next prime is 27833794567. The reversal of 27833794561 is 16549733872.

It is a cyclic number.

It is not a de Polignac number, because 27833794561 - 2³ = 27833794553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27833794567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159490 + ... + 284788.

It is an arithmetic number, because the mean of its divisors is an integer number (1877620500).

Almost surely, 2^27833794561 is an apocalyptic number.

It is an amenable number.

27833794561 is a deficient number, since it is larger than the sum of its proper divisors (2208133439).

27833794561 is a wasteful number, since it uses less digits than its factorization.

27833794561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125568.

The product of its digits is 7620480, while the sum is 55.

The spelling of 27833794561 in words is "twenty-seven billion, eight hundred thirty-three million, seven hundred ninety-four thousand, five hundred sixty-one".