2147788854727 has 2 divisors, whose sum is σ = 2147788854728. Its totient is φ = 2147788854726.

The previous prime is 2147788854707. The next prime is 2147788854793. The reversal of 2147788854727 is 7274588877412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2147788854727 - 2³¹ = 2145641371079 is a prime.

It is a super-2 number, since 2×2147788854727² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2147788854707) by changing a digit.

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 as a sum of consecutive naturals, namely, 1073894427363 + 1073894427364.

It is an arithmetic number, because the mean of its divisors is an integer number (1073894427364).

Almost surely, 2^{2147788854727} is an apocalyptic number.

2147788854727 is a deficient number, since it is larger than the sum of its proper divisors (1).

2147788854727 is an equidigital number, since it uses as much as digits as its factorization.

2147788854727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 393379840, while the sum is 70.

The spelling of 2147788854727 in words is "two trillion, one hundred forty-seven billion, seven hundred eighty-eight million, eight hundred fifty-four thousand, seven hundred twenty-seven".