127864142213687 has 24 divisors (see below), whose sum is σ = 143551310943936. Its totient is φ = 113754165624000.

The previous prime is 127864142213677. The next prime is 127864142213711. The reversal of 127864142213687 is 786312241468721.

It is not a de Polignac number, because 127864142213687 - 2⁶ = 127864142213623 is a prime.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127864142213677) 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 23 ways as a sum of consecutive naturals, for example, 49590137 + ... + 52104797.

It is an arithmetic number, because the mean of its divisors is an integer number (5981304622664).

Almost surely, 2^{127864142213687} is an apocalyptic number.

127864142213687 is a deficient number, since it is larger than the sum of its proper divisors (15687168730249).

127864142213687 is a wasteful number, since it uses less digits than its factorization.

127864142213687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523671 (or 2523660 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 62.

The spelling of 127864142213687 in words is "one hundred twenty-seven trillion, eight hundred sixty-four billion, one hundred forty-two million, two hundred thirteen thousand, six hundred eighty-seven".