27661411213624 has 16 divisors (see below), whose sum is σ = 51878346681600. Its totient is φ = 13827185431872.

The previous prime is 27661411213619. The next prime is 27661411213633. The reversal of 27661411213624 is 42631211416672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439988472 + ... + 440051335.

It is an arithmetic number, because the mean of its divisors is an integer number (3242396667600).

Almost surely, 2^{27661411213624} is an apocalyptic number.

It is an amenable number.

27661411213624 is a deficient number, since it is larger than the sum of its proper divisors (24216935467976).

27661411213624 is a wasteful number, since it uses less digits than its factorization.

27661411213624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880043742 (or 880043738 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The spelling of 27661411213624 in words is "twenty-seven trillion, six hundred sixty-one billion, four hundred eleven million, two hundred thirteen thousand, six hundred twenty-four".