27768260087 has 8 divisors (see below), whose sum is σ = 29269968000. Its totient is φ = 26270574264.

The previous prime is 27768260063. The next prime is 27768260153. The reversal of 27768260087 is 78006286772.

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

It is a cyclic number.

It is not a de Polignac number, because 27768260087 - 2²² = 27764065783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27768260057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991337 + ... + 1018962.

It is an arithmetic number, because the mean of its divisors is an integer number (3658746000).

Almost surely, 2^27768260087 is an apocalyptic number.

27768260087 is a deficient number, since it is larger than the sum of its proper divisors (1501707913).

27768260087 is a wasteful number, since it uses less digits than its factorization.

27768260087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011045.

The product of its (nonzero) digits is 3161088, while the sum is 53.

The spelling of 27768260087 in words is "twenty-seven billion, seven hundred sixty-eight million, two hundred sixty thousand, eighty-seven".