127775474247 has 8 divisors (see below), whose sum is σ = 171000635760. Its totient is φ = 84866981120.

The previous prime is 127775474237. The next prime is 127775474249. The reversal of 127775474247 is 742474577721.

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 127775474247 - 2⁴ = 127775474231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127775474249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79166154 + ... + 79167767.

It is an arithmetic number, because the mean of its divisors is an integer number (21375079470).

Almost surely, 2^127775474247 is an apocalyptic number.

127775474247 is a deficient number, since it is larger than the sum of its proper divisors (43225161513).

127775474247 is a wasteful number, since it uses less digits than its factorization.

127775474247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158334193.

The product of its digits is 21512960, while the sum is 57.

The spelling of 127775474247 in words is "one hundred twenty-seven billion, seven hundred seventy-five million, four hundred seventy-four thousand, two hundred forty-seven".