128764598807627 has 2 divisors, whose sum is σ = 128764598807628. Its totient is φ = 128764598807626.

The previous prime is 128764598807591. The next prime is 128764598807633. The reversal of 128764598807627 is 726708895467821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128764598807627 - 2¹⁰ = 128764598806603 is a prime.

It is a super-2 number, since 2×128764598807627² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (128764598807657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64382299403813 + 64382299403814.

It is an arithmetic number, because the mean of its divisors is an integer number (64382299403814).

Almost surely, 2^{128764598807627} is an apocalyptic number.

128764598807627 is a deficient number, since it is larger than the sum of its proper divisors (1).

128764598807627 is an equidigital number, since it uses as much as digits as its factorization.

128764598807627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4551966720, while the sum is 80.

The spelling of 128764598807627 in words is "one hundred twenty-eight trillion, seven hundred sixty-four billion, five hundred ninety-eight million, eight hundred seven thousand, six hundred twenty-seven".