128327536244247 has 16 divisors (see below), whose sum is σ = 173453958316800. Its totient is φ = 84379844050112.

The previous prime is 128327536244233. The next prime is 128327536244261. The reversal of 128327536244247 is 742442635723821.

It is an interprime number because it is at equal distance from previous prime (128327536244233) and next prime (128327536244261).

It is a cyclic number.

It is not a de Polignac number, because 128327536244247 - 2¹⁸ = 128327535982103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128327536244647) 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, 430044198 + ... + 430342499.

It is an arithmetic number, because the mean of its divisors is an integer number (10840872394800).

Almost surely, 2^{128327536244247} is an apocalyptic number.

128327536244247 is a deficient number, since it is larger than the sum of its proper divisors (45126422072553).

128327536244247 is an equidigital number, since it uses as much as digits as its factorization.

128327536244247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860387382.

The product of its digits is 108380160, while the sum is 60.

The spelling of 128327536244247 in words is "one hundred twenty-eight trillion, three hundred twenty-seven billion, five hundred thirty-six million, two hundred forty-four thousand, two hundred forty-seven".