127693649934447 has 32 divisors (see below), whose sum is σ = 172392845667840. Its totient is φ = 84064269020160.

The previous prime is 127693649934437. The next prime is 127693649934449. The reversal of 127693649934447 is 744439946396721.

It is not a de Polignac number, because 127693649934447 - 2²⁰ = 127693648885871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127693649934449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1695243328 + ... + 1695318650.

It is an arithmetic number, because the mean of its divisors is an integer number (5387276427120).

Almost surely, 2^{127693649934447} is an apocalyptic number.

127693649934447 is a deficient number, since it is larger than the sum of its proper divisors (44699195733393).

127693649934447 is an equidigital number, since it uses as much as digits as its factorization.

127693649934447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83503.

The product of its digits is 5925685248, while the sum is 78.

The spelling of 127693649934447 in words is "one hundred twenty-seven trillion, six hundred ninety-three billion, six hundred forty-nine million, nine hundred thirty-four thousand, four hundred forty-seven".