127469899881 has 96 divisors (see below), whose sum is σ = 206698752000. Its totient is φ = 77420484288.

The previous prime is 127469899877. The next prime is 127469899889. The reversal of 127469899881 is 188998964721.

127469899881 is a `hidden beast` number, since 1 + 2 + 7 + 469 + 89 + 9 + 8 + 81 = 666.

It is not a de Polignac number, because 127469899881 - 2² = 127469899877 is a prime.

It is a super-2 number, since 2×127469899881² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (127469899889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 154884036 + ... + 154884858.

It is an arithmetic number, because the mean of its divisors is an integer number (2153112000).

Almost surely, 2^127469899881 is an apocalyptic number.

It is an amenable number.

127469899881 is a deficient number, since it is larger than the sum of its proper divisors (79228852119).

127469899881 is a wasteful number, since it uses less digits than its factorization.

127469899881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268 (or 1233 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 72.

The spelling of 127469899881 in words is "one hundred twenty-seven billion, four hundred sixty-nine million, eight hundred ninety-nine thousand, eight hundred eighty-one".