27768204465 has 8 divisors (see below), whose sum is σ = 44429127168. Its totient is φ = 14809709040.

The previous prime is 27768204427. The next prime is 27768204491. The reversal of 27768204465 is 56440286772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27768204465 - 2¹¹ = 27768202417 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 7 ways as a sum of consecutive naturals, for example, 925606801 + ... + 925606830.

It is an arithmetic number, because the mean of its divisors is an integer number (5553640896).

Almost surely, 2^27768204465 is an apocalyptic number.

It is an amenable number.

27768204465 is a deficient number, since it is larger than the sum of its proper divisors (16660922703).

27768204465 is a wasteful number, since it uses less digits than its factorization.

27768204465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851213639.

The product of its (nonzero) digits is 4515840, while the sum is 51.

The spelling of 27768204465 in words is "twenty-seven billion, seven hundred sixty-eight million, two hundred four thousand, four hundred sixty-five".