27673477245 has 12 divisors (see below), whose sum is σ = 47967360636. Its totient is φ = 14759187840.

The previous prime is 27673477207. The next prime is 27673477253. The reversal of 27673477245 is 54277437672.

27673477245 is a `hidden beast` number, since 276 + 7 + 347 + 7 + 24 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10903745241 + 16769732004 = 104421^2 + 129498^2 .

It is not a de Polignac number, because 27673477245 - 2⁸ = 27673476989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27673477191 and 27673477200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307483036 + ... + 307483125.

It is an arithmetic number, because the mean of its divisors is an integer number (3997280053).

Almost surely, 2^27673477245 is an apocalyptic number.

It is an amenable number.

27673477245 is a deficient number, since it is larger than the sum of its proper divisors (20293883391).

27673477245 is a wasteful number, since it uses less digits than its factorization.

27673477245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614966172 (or 614966169 counting only the distinct ones).

The product of its digits is 13829760, while the sum is 54.

The spelling of 27673477245 in words is "twenty-seven billion, six hundred seventy-three million, four hundred seventy-seven thousand, two hundred forty-five".