27620103505 has 16 divisors (see below), whose sum is σ = 33569133840. Its totient is φ = 21814209792.

The previous prime is 27620103499. The next prime is 27620103529. The reversal of 27620103505 is 50530102672.

It can be written as a sum of positive squares in 8 ways, for example, as 48497296 + 27571606209 = 6964^2 + 166047^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27620103505 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59487 + ... + 242443.

It is an arithmetic number, because the mean of its divisors is an integer number (2098070865).

Almost surely, 2^27620103505 is an apocalyptic number.

It is an amenable number.

27620103505 is a deficient number, since it is larger than the sum of its proper divisors (5949030335).

27620103505 is a wasteful number, since it uses less digits than its factorization.

27620103505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183348.

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 27620103505 in words is "twenty-seven billion, six hundred twenty million, one hundred three thousand, five hundred five".