127938877 has 8 divisors (see below), whose sum is σ = 139782240. Its totient is φ = 116130960.

The previous prime is 127938871. The next prime is 127938883. The reversal of 127938877 is 778839721.

It is an interprime number because it is at equal distance from previous prime (127938871) and next prime (127938883).

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

It is not a de Polignac number, because 127938877 - 2¹¹ = 127936829 is a prime.

It is a super-2 number, since 2×127938877² = 32736712496042258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127938871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002 + ... + 16027.

It is an arithmetic number, because the mean of its divisors is an integer number (17472780).

Almost surely, 2^127938877 is an apocalyptic number.

It is an amenable number.

127938877 is a deficient number, since it is larger than the sum of its proper divisors (11843363).

127938877 is a wasteful number, since it uses less digits than its factorization.

127938877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17723.

The product of its digits is 1185408, while the sum is 52.

The square root of 127938877 is about 11311.0068959399. The cubic root of 127938877 is about 503.8881882750. Note that the first 3 decimals are identical.

The spelling of 127938877 in words is "one hundred twenty-seven million, nine hundred thirty-eight thousand, eight hundred seventy-seven".