27671046645 has 32 divisors (see below), whose sum is σ = 48328179840. Its totient is φ = 13408035840.

The previous prime is 27671046547. The next prime is 27671046673. The reversal of 27671046645 is 54664017672.

It is not a de Polignac number, because 27671046645 - 2⁹ = 27671046133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27671046594 and 27671046603.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 222801 + ... + 324009.

It is an arithmetic number, because the mean of its divisors is an integer number (1510255620).

Almost surely, 2^27671046645 is an apocalyptic number.

It is an amenable number.

27671046645 is a deficient number, since it is larger than the sum of its proper divisors (20657133195).

27671046645 is a wasteful number, since it uses less digits than its factorization.

27671046645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102885.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 27671046645 in words is "twenty-seven billion, six hundred seventy-one million, forty-six thousand, six hundred forty-five".