128248788777264 has 60 divisors (see below), whose sum is σ = 359562863374416. Its totient is φ = 42672846508416.

The previous prime is 128248788777259. The next prime is 128248788777281. The reversal of 128248788777264 is 462777887842821.

128248788777264 is a `hidden beast` number, since 1 + 2 + 8 + 2 + 487 + 8 + 8 + 7 + 7 + 72 + 64 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 799396084 + ... + 799556499.

Almost surely, 2^{128248788777264} is an apocalyptic number.

It is an amenable number.

128248788777264 is an abundant number, since it is smaller than the sum of its proper divisors (231314074597152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128248788777264 is a wasteful number, since it uses less digits than its factorization.

128248788777264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598953154 (or 1598953145 counting only the distinct ones).

The product of its digits is 7552892928, while the sum is 81.

The spelling of 128248788777264 in words is "one hundred twenty-eight trillion, two hundred forty-eight billion, seven hundred eighty-eight million, seven hundred seventy-seven thousand, two hundred sixty-four".