128327696 has 40 divisors (see below), whose sum is σ = 300873600. Its totient is φ = 51761664.

The previous prime is 128327687. The next prime is 128327699. The reversal of 128327696 is 696723821.

It is not an unprimeable number, because it can be changed into a prime (128327699) 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, 31796 + ... + 35603.

It is an arithmetic number, because the mean of its divisors is an integer number (7521840).

Almost surely, 2^128327696 is an apocalyptic number.

128327696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

128327696 is an abundant number, since it is smaller than the sum of its proper divisors (172545904).

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

128327696 is a wasteful number, since it uses less digits than its factorization.

128327696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67431 (or 67425 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 128327696 is about 11328.1814957212. The cubic root of 128327696 is about 504.3981275150.

The spelling of 128327696 in words is "one hundred twenty-eight million, three hundred twenty-seven thousand, six hundred ninety-six".