27775943063 has 4 divisors (see below), whose sum is σ = 30301028808. Its totient is φ = 25250857320.

The previous prime is 27775943059. The next prime is 27775943087. The reversal of 27775943063 is 36034957772.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27775943063 - 2² = 27775943059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27775942996 and 27775943014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27775943033) 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 3 ways as a sum of consecutive naturals, for example, 1262542856 + ... + 1262542877.

It is an arithmetic number, because the mean of its divisors is an integer number (7575257202).

Almost surely, 2^27775943063 is an apocalyptic number.

27775943063 is a deficient number, since it is larger than the sum of its proper divisors (2525085745).

27775943063 is a wasteful number, since it uses less digits than its factorization.

27775943063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525085744.

The product of its (nonzero) digits is 6667920, while the sum is 53.

The spelling of 27775943063 in words is "twenty-seven billion, seven hundred seventy-five million, nine hundred forty-three thousand, sixty-three".