27887923267 has 2 divisors, whose sum is σ = 27887923268. Its totient is φ = 27887923266.

The previous prime is 27887923229. The next prime is 27887923289. The reversal of 27887923267 is 76232978872.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27887923267 is a prime.

It is not a weakly prime, because it can be changed into another prime (27887923367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13943961633 + 13943961634.

It is an arithmetic number, because the mean of its divisors is an integer number (13943961634).

Almost surely, 2^27887923267 is an apocalyptic number.

27887923267 is a deficient number, since it is larger than the sum of its proper divisors (1).

27887923267 is an equidigital number, since it uses as much as digits as its factorization.

27887923267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28449792, while the sum is 61.

The spelling of 27887923267 in words is "twenty-seven billion, eight hundred eighty-seven million, nine hundred twenty-three thousand, two hundred sixty-seven".