127640583543 has 16 divisors (see below), whose sum is σ = 185679072000. Its totient is φ = 77349578880.

The previous prime is 127640583533. The next prime is 127640583571. The reversal of 127640583543 is 345385046721.

It is not a de Polignac number, because 127640583543 - 2⁴ = 127640583527 is a prime.

It is a super-3 number, since 3×127640583543³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 127640583492 and 127640583501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127640583533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108783 + ... + 516831.

It is an arithmetic number, because the mean of its divisors is an integer number (11604942000).

Almost surely, 2^127640583543 is an apocalyptic number.

127640583543 is a deficient number, since it is larger than the sum of its proper divisors (58038488457).

127640583543 is a wasteful number, since it uses less digits than its factorization.

127640583543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417542.

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 127640583543 in words is "one hundred twenty-seven billion, six hundred forty million, five hundred eighty-three thousand, five hundred forty-three".