127872555447 has 16 divisors (see below), whose sum is σ = 209842142720. Its totient is φ = 67449259872.

The previous prime is 127872555431. The next prime is 127872555451. The reversal of 127872555447 is 744555278721.

It is not a de Polignac number, because 127872555447 - 2⁴ = 127872555431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127872555487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234198547 + ... + 234199092.

It is an arithmetic number, because the mean of its divisors is an integer number (13115133920).

Almost surely, 2^127872555447 is an apocalyptic number.

127872555447 is a deficient number, since it is larger than the sum of its proper divisors (81969587273).

127872555447 is a wasteful number, since it uses less digits than its factorization.

127872555447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468397662.

The product of its digits is 21952000, while the sum is 57.

The spelling of 127872555447 in words is "one hundred twenty-seven billion, eight hundred seventy-two million, five hundred fifty-five thousand, four hundred forty-seven".