128883931927 has 2 divisors, whose sum is σ = 128883931928. Its totient is φ = 128883931926.

The previous prime is 128883931873. The next prime is 128883931951. The reversal of 128883931927 is 729139388821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128883931927 - 2¹¹ = 128883929879 is a prime.

It is a super-2 number, since 2×128883931927² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128883931987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64441965963 + 64441965964.

It is an arithmetic number, because the mean of its divisors is an integer number (64441965964).

Almost surely, 2^128883931927 is an apocalyptic number.

128883931927 is a deficient number, since it is larger than the sum of its proper divisors (1).

128883931927 is an equidigital number, since it uses as much as digits as its factorization.

128883931927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10450944, while the sum is 61.

The spelling of 128883931927 in words is "one hundred twenty-eight billion, eight hundred eighty-three million, nine hundred thirty-one thousand, nine hundred twenty-seven".