128096477 has 2 divisors, whose sum is σ = 128096478. Its totient is φ = 128096476.

The previous prime is 128096459. The next prime is 128096483. The reversal of 128096477 is 774690821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110965156 + 17131321 = 10534^2 + 4139^2 .

It is a cyclic number.

It is not a de Polignac number, because 128096477 - 2⁶ = 128096413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128096447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64048238 + 64048239.

It is an arithmetic number, because the mean of its divisors is an integer number (64048239).

Almost surely, 2^128096477 is an apocalyptic number.

It is an amenable number.

128096477 is a deficient number, since it is larger than the sum of its proper divisors (1).

128096477 is an equidigital number, since it uses as much as digits as its factorization.

128096477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 128096477 is about 11317.9714171754. The cubic root of 128096477 is about 504.0950062877.

The spelling of 128096477 in words is "one hundred twenty-eight million, ninety-six thousand, four hundred seventy-seven".