127783564145 has 8 divisors (see below), whose sum is σ = 153355337856. Its totient is φ = 102216810736.

The previous prime is 127783564133. The next prime is 127783564201. The reversal of 127783564145 is 541465387721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 127783564145 - 2¹⁰ = 127783563121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198847 + ... + 1301076.

It is an arithmetic number, because the mean of its divisors is an integer number (19169417232).

Almost surely, 2^127783564145 is an apocalyptic number.

It is an amenable number.

127783564145 is a deficient number, since it is larger than the sum of its proper divisors (25571773711).

127783564145 is a wasteful number, since it uses less digits than its factorization.

127783564145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510151.

The product of its digits is 5644800, while the sum is 53.

The spelling of 127783564145 in words is "one hundred twenty-seven billion, seven hundred eighty-three million, five hundred sixty-four thousand, one hundred forty-five".