127867457328877 has 16 divisors (see below), whose sum is σ = 151173731577600. Its totient is φ = 105821075888640.

The previous prime is 127867457328851. The next prime is 127867457328911. The reversal of 127867457328877 is 778823754768721.

It is not a de Polignac number, because 127867457328877 - 2¹⁹ = 127867456804589 is a prime.

It is a super-2 number, since 2×127867457328877² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 127867457328877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127867457328277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144778024 + ... + 145658542.

It is an arithmetic number, because the mean of its divisors is an integer number (9448358223600).

Almost surely, 2^{127867457328877} is an apocalyptic number.

It is an amenable number.

127867457328877 is a deficient number, since it is larger than the sum of its proper divisors (23306274248723).

127867457328877 is an equidigital number, since it uses as much as digits as its factorization.

127867457328877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595916.

The product of its digits is 12391464960, while the sum is 82.

The spelling of 127867457328877 in words is "one hundred twenty-seven trillion, eight hundred sixty-seven billion, four hundred fifty-seven million, three hundred twenty-eight thousand, eight hundred seventy-seven".