127713855223844 has 24 divisors (see below), whose sum is σ = 223885817737848. Its totient is φ = 63746550667520.

The previous prime is 127713855223841. The next prime is 127713855223919. The reversal of 127713855223844 is 448322558317721.

It can be written as a sum of positive squares in 4 ways, for example, as 24145823545600 + 103568031678244 = 4913840^2 + 10176838^2 .

It is a super-2 number, since 2×127713855223844² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (127713855223841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1888667 + ... + 16093314.

It is an arithmetic number, because the mean of its divisors is an integer number (9328575739077).

Almost surely, 2^{127713855223844} is an apocalyptic number.

It is an amenable number.

127713855223844 is a deficient number, since it is larger than the sum of its proper divisors (96171962514004).

127713855223844 is a wasteful number, since it uses less digits than its factorization.

127713855223844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17985055 (or 17985053 counting only the distinct ones).

The product of its digits is 90316800, while the sum is 62.

The spelling of 127713855223844 in words is "one hundred twenty-seven trillion, seven hundred thirteen billion, eight hundred fifty-five million, two hundred twenty-three thousand, eight hundred forty-four".