128248786708396 has 24 divisors (see below), whose sum is σ = 225343844436816. Its totient is φ = 63865227740160.

The previous prime is 128248786708391. The next prime is 128248786708397. The reversal of 128248786708396 is 693807687842821.

It is not an unprimeable number, because it can be changed into a prime (128248786708391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48278941 + ... + 50866036.

It is an arithmetic number, because the mean of its divisors is an integer number (9389326851534).

Almost surely, 2^{128248786708396} is an apocalyptic number.

It is an amenable number.

128248786708396 is a deficient number, since it is larger than the sum of its proper divisors (97095057728420).

128248786708396 is a wasteful number, since it uses less digits than its factorization.

128248786708396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99146289 (or 99146287 counting only the distinct ones).

The product of its (nonzero) digits is 3121348608, while the sum is 79.

The spelling of 128248786708396 in words is "one hundred twenty-eight trillion, two hundred forty-eight billion, seven hundred eighty-six million, seven hundred eight thousand, three hundred ninety-six".