127856447874 has 24 divisors (see below), whose sum is σ = 293317734060. Its totient is φ = 40111826688.

The previous prime is 127856447867. The next prime is 127856447933. The reversal of 127856447874 is 478744658721.

127856447874 is a `hidden beast` number, since 1 + 2 + 78 + 56 + 447 + 8 + 74 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 112704561225 + 15151886649 = 335715^2 + 123093^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208915459 + ... + 208916070.

Almost surely, 2^127856447874 is an apocalyptic number.

127856447874 is an abundant number, since it is smaller than the sum of its proper divisors (165461286186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127856447874 is a wasteful number, since it uses less digits than its factorization.

127856447874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417831554 (or 417831551 counting only the distinct ones).

The product of its digits is 84295680, while the sum is 63.

The spelling of 127856447874 in words is "one hundred twenty-seven billion, eight hundred fifty-six million, four hundred forty-seven thousand, eight hundred seventy-four".