27773328761 has 8 divisors (see below), whose sum is σ = 28678165248. Its totient is φ = 26869050000.

The previous prime is 27773328743. The next prime is 27773328787. The reversal of 27773328761 is 16782337772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27773328761 - 2³⁰ = 26699586937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27773328721) 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 in 7 ways as a sum of consecutive naturals, for example, 37010 + ... + 238571.

It is an arithmetic number, because the mean of its divisors is an integer number (3584770656).

Almost surely, 2^27773328761 is an apocalyptic number.

It is an amenable number.

27773328761 is a deficient number, since it is larger than the sum of its proper divisors (904836487).

27773328761 is a wasteful number, since it uses less digits than its factorization.

27773328761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278863.

The product of its digits is 4148928, while the sum is 53.

The spelling of 27773328761 in words is "twenty-seven billion, seven hundred seventy-three million, three hundred twenty-eight thousand, seven hundred sixty-one".