27727315803 has 12 divisors (see below), whose sum is σ = 43691528088. Its totient is φ = 16804433760.

The previous prime is 27727315793. The next prime is 27727315807. The reversal of 27727315803 is 30851372772.

It is a happy number.

It is not a de Polignac number, because 27727315803 - 2²² = 27723121499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27727315807) 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 11 ways as a sum of consecutive naturals, for example, 140036850 + ... + 140037047.

It is an arithmetic number, because the mean of its divisors is an integer number (3640960674).

Almost surely, 2^27727315803 is an apocalyptic number.

27727315803 is a deficient number, since it is larger than the sum of its proper divisors (15964212285).

27727315803 is a wasteful number, since it uses less digits than its factorization.

27727315803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280073914 (or 280073911 counting only the distinct ones).

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

The spelling of 27727315803 in words is "twenty-seven billion, seven hundred twenty-seven million, three hundred fifteen thousand, eight hundred three".