127845488564245 has 8 divisors (see below), whose sum is σ = 158704744424760. Its totient is φ = 98749618752960.

The previous prime is 127845488564219. The next prime is 127845488564251. The reversal of 127845488564245 is 542465884548721.

It can be written as a sum of positive squares in 4 ways, for example, as 11689501924 + 127833799062321 = 108118^2 + 11306361^2 .

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

It is not a de Polignac number, because 127845488564245 - 2¹⁹ = 127845488039957 is a prime.

It is a congruent 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, 440846512146 + ... + 440846512435.

It is an arithmetic number, because the mean of its divisors is an integer number (19838093053095).

Almost surely, 2^{127845488564245} is an apocalyptic number.

It is an amenable number.

127845488564245 is a deficient number, since it is larger than the sum of its proper divisors (30859255860515).

127845488564245 is an equidigital number, since it uses as much as digits as its factorization.

127845488564245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881693024615.

The product of its digits is 2752512000, while the sum is 73.

The spelling of 127845488564245 in words is "one hundred twenty-seven trillion, eight hundred forty-five billion, four hundred eighty-eight million, five hundred sixty-four thousand, two hundred forty-five".