127705674649291 has 8 divisors (see below), whose sum is σ = 127805289004800. Its totient is φ = 127606063209768.

The previous prime is 127705674649279. The next prime is 127705674649337. The reversal of 127705674649291 is 192946476507721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127705674649291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 127705674649291.

It is not an unprimeable number, because it can be changed into a prime (127705674649271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91433410 + ... + 92819608.

It is an arithmetic number, because the mean of its divisors is an integer number (15975661125600).

Almost surely, 2^{127705674649291} is an apocalyptic number.

127705674649291 is a deficient number, since it is larger than the sum of its proper divisors (99614355509).

127705674649291 is a wasteful number, since it uses less digits than its factorization.

127705674649291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457993.

The product of its (nonzero) digits is 320060160, while the sum is 70.

The spelling of 127705674649291 in words is "one hundred twenty-seven trillion, seven hundred five billion, six hundred seventy-four million, six hundred forty-nine thousand, two hundred ninety-one".