127776274963 has 16 divisors (see below), whose sum is σ = 134133785280. Its totient is φ = 121552413696.

The previous prime is 127776274897. The next prime is 127776274999. The reversal of 127776274963 is 369472677721.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 127776274963 - 2²⁵ = 127742720531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127776272963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2015931 + ... + 2078347.

It is an arithmetic number, because the mean of its divisors is an integer number (8383361580).

Almost surely, 2^127776274963 is an apocalyptic number.

127776274963 is a deficient number, since it is larger than the sum of its proper divisors (6357510317).

127776274963 is an equidigital number, since it uses as much as digits as its factorization.

127776274963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63486.

The product of its digits is 37340352, while the sum is 61.

The spelling of 127776274963 in words is "one hundred twenty-seven billion, seven hundred seventy-six million, two hundred seventy-four thousand, nine hundred sixty-three".