27748047305 has 24 divisors (see below), whose sum is σ = 36879397632. Its totient is φ = 20026292000.

The previous prime is 27748047289. The next prime is 27748047311. The reversal of 27748047305 is 50374084772.

It is not a de Polignac number, because 27748047305 - 2⁴ = 27748047289 is a prime.

It is a super-3 number, since 3×27748047305³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27748047305.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95801 + ... + 254310.

It is an arithmetic number, because the mean of its divisors is an integer number (1536641568).

Almost surely, 2^27748047305 is an apocalyptic number.

It is an amenable number.

27748047305 is a deficient number, since it is larger than the sum of its proper divisors (9131350327).

27748047305 is a wasteful number, since it uses less digits than its factorization.

27748047305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350269 (or 350258 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 47.

The spelling of 27748047305 in words is "twenty-seven billion, seven hundred forty-eight million, forty-seven thousand, three hundred five".