128686301026883 has 2 divisors, whose sum is σ = 128686301026884. Its totient is φ = 128686301026882.

The previous prime is 128686301026837. The next prime is 128686301026897. The reversal of 128686301026883 is 388620103686821.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128686301026883 - 2¹⁸ = 128686300764739 is a prime.

It is not a weakly prime, because it can be changed into another prime (128686301020883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64343150513441 + 64343150513442.

It is an arithmetic number, because the mean of its divisors is an integer number (64343150513442).

Almost surely, 2^{128686301026883} is an apocalyptic number.

128686301026883 is a deficient number, since it is larger than the sum of its proper divisors (1).

128686301026883 is an equidigital number, since it uses as much as digits as its factorization.

128686301026883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31850496, while the sum is 62.

The spelling of 128686301026883 in words is "one hundred twenty-eight trillion, six hundred eighty-six billion, three hundred one million, twenty-six thousand, eight hundred eighty-three".