127945686823 has 8 divisors (see below), whose sum is σ = 134771256320. Its totient is φ = 121129275960.

The previous prime is 127945686809. The next prime is 127945686829. The reversal of 127945686823 is 328686549721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127945686823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127945686829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2260965 + ... + 2316862.

It is an arithmetic number, because the mean of its divisors is an integer number (16846407040).

Almost surely, 2^127945686823 is an apocalyptic number.

127945686823 is a deficient number, since it is larger than the sum of its proper divisors (6825569497).

127945686823 is a wasteful number, since it uses less digits than its factorization.

127945686823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4579317.

The product of its digits is 34836480, while the sum is 61.

The spelling of 127945686823 in words is "one hundred twenty-seven billion, nine hundred forty-five million, six hundred eighty-six thousand, eight hundred twenty-three".