27780053267 has 2 divisors, whose sum is σ = 27780053268. Its totient is φ = 27780053266.

The previous prime is 27780053239. The next prime is 27780053351. The reversal of 27780053267 is 76235008772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27780053267 - 2¹⁰ = 27780052243 is a prime.

It is not a weakly prime, because it can be changed into another prime (27780056267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13890026633 + 13890026634.

It is an arithmetic number, because the mean of its divisors is an integer number (13890026634).

Almost surely, 2^27780053267 is an apocalyptic number.

27780053267 is a deficient number, since it is larger than the sum of its proper divisors (1).

27780053267 is an equidigital number, since it uses as much as digits as its factorization.

27780053267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 27780053267 in words is "twenty-seven billion, seven hundred eighty million, fifty-three thousand, two hundred sixty-seven".