127736806779 has 24 divisors (see below), whose sum is σ = 185029244400. Its totient is φ = 84917790720.

The previous prime is 127736806721. The next prime is 127736806811. The reversal of 127736806779 is 977608637721.

It is not a de Polignac number, because 127736806779 - 2¹¹ = 127736804731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127736806709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13758619 + ... + 13767899.

It is an arithmetic number, because the mean of its divisors is an integer number (7709551850).

Almost surely, 2^127736806779 is an apocalyptic number.

127736806779 is a deficient number, since it is larger than the sum of its proper divisors (57292437621).

127736806779 is a wasteful number, since it uses less digits than its factorization.

127736806779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13435 (or 13432 counting only the distinct ones).

The product of its (nonzero) digits is 37340352, while the sum is 63.

The spelling of 127736806779 in words is "one hundred twenty-seven billion, seven hundred thirty-six million, eight hundred six thousand, seven hundred seventy-nine".