127837081089 has 12 divisors (see below), whose sum is σ = 191492582736. Its totient is φ = 85224720564.

The previous prime is 127837081087. The next prime is 127837081123. The reversal of 127837081089 is 980180738721.

It is a happy number.

It is not a de Polignac number, because 127837081089 - 2¹ = 127837081087 is a prime.

It is a super-2 number, since 2×127837081089² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (127837081081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263039019 + ... + 263039504.

It is an arithmetic number, because the mean of its divisors is an integer number (15957715228).

Almost surely, 2^127837081089 is an apocalyptic number.

It is an amenable number.

127837081089 is a deficient number, since it is larger than the sum of its proper divisors (63655501647).

127837081089 is an frugal number, since it uses more digits than its factorization.

127837081089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526078538 (or 526078526 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 54.

The spelling of 127837081089 in words is "one hundred twenty-seven billion, eight hundred thirty-seven million, eighty-one thousand, eighty-nine".