128086896 has 80 divisors (see below), whose sum is σ = 388419584. Its totient is φ = 35603712.

The previous prime is 128086879. The next prime is 128086897. The reversal of 128086896 is 698680821.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128086897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7281 + ... + 17583.

Almost surely, 2^128086896 is an apocalyptic number.

128086896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128086896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194209792).

128086896 is an abundant number, since it is smaller than the sum of its proper divisors (260332688).

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

128086896 is a wasteful number, since it uses less digits than its factorization.

128086896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10358 (or 10352 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 128086896 is about 11317.5481443641. The cubic root of 128086896 is about 504.0824380142.

The spelling of 128086896 in words is "one hundred twenty-eight million, eighty-six thousand, eight hundred ninety-six".