128878848 has 216 divisors, whose sum is σ = 434930496. Its totient is φ = 35942400.

The previous prime is 128878837. The next prime is 128878861. The reversal of 128878848 is 848878821.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 128878794 and 128878803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 983743 + ... + 983873.

Almost surely, 2^128878848 is an apocalyptic number.

128878848 is a gapful number since it is divisible by the number (18) 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 128878848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217465248).

128878848 is an abundant number, since it is smaller than the sum of its proper divisors (306051648).

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

128878848 is a wasteful number, since it uses less digits than its factorization.

128878848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 204 counting only the distinct ones).

The product of its digits is 1835008, while the sum is 54.

The square root of 128878848 is about 11352.4820193648. The cubic root of 128878848 is about 505.1192059211.

The spelling of 128878848 in words is "one hundred twenty-eight million, eight hundred seventy-eight thousand, eight hundred forty-eight".