127864416743863 has 4 divisors (see below), whose sum is σ = 127954272273568. Its totient is φ = 127774561214160.

The previous prime is 127864416743857. The next prime is 127864416743873. The reversal of 127864416743863 is 368347614468721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 127864416743863 - 2²⁹ = 127863879872951 is a prime.

It is a super-2 number, since 2×127864416743863² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 127864416743792 and 127864416743801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127864416743873) 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 3 ways as a sum of consecutive naturals, for example, 44927762718 + ... + 44927765563.

It is an arithmetic number, because the mean of its divisors is an integer number (31988568068392).

Almost surely, 2^{127864416743863} is an apocalyptic number.

127864416743863 is a deficient number, since it is larger than the sum of its proper divisors (89855529705).

127864416743863 is an equidigital number, since it uses as much as digits as its factorization.

127864416743863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89855529704.

The product of its digits is 780337152, while the sum is 70.

The spelling of 127864416743863 in words is "one hundred twenty-seven trillion, eight hundred sixty-four billion, four hundred sixteen million, seven hundred forty-three thousand, eight hundred sixty-three".