128748897376 has 48 divisors (see below), whose sum is σ = 277461486288. Its totient is φ = 58322444800.

The previous prime is 128748897341. The next prime is 128748897377. The reversal of 128748897376 is 673798847821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128748897377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521035 + ... + 727306.

It is an arithmetic number, because the mean of its divisors is an integer number (5780447631).

Almost surely, 2^128748897376 is an apocalyptic number.

128748897376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

128748897376 is an abundant number, since it is smaller than the sum of its proper divisors (148712588912).

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

128748897376 is a wasteful number, since it uses less digits than its factorization.

128748897376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248655 (or 1248647 counting only the distinct ones).

The product of its digits is 227598336, while the sum is 70.

The spelling of 128748897376 in words is "one hundred twenty-eight billion, seven hundred forty-eight million, eight hundred ninety-seven thousand, three hundred seventy-six".