27680018835 has 64 divisors (see below), whose sum is σ = 50961899520. Its totient is φ = 12567260160.

The previous prime is 27680018819. The next prime is 27680018879. The reversal of 27680018835 is 53881008672.

It is not a de Polignac number, because 27680018835 - 2⁴ = 27680018819 is a prime.

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 63 ways as a sum of consecutive naturals, for example, 12198081 + ... + 12200349.

It is an arithmetic number, because the mean of its divisors is an integer number (796279680).

Almost surely, 2^27680018835 is an apocalyptic number.

27680018835 is a deficient number, since it is larger than the sum of its proper divisors (23281880685).

27680018835 is a wasteful number, since it uses less digits than its factorization.

27680018835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 27680018835 in words is "twenty-seven billion, six hundred eighty million, eighteen thousand, eight hundred thirty-five".