128472882 has 16 divisors (see below), whose sum is σ = 257826240. Its totient is φ = 42677552.

The previous prime is 128472853. The next prime is 128472907. The reversal of 128472882 is 288274821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34782 + ... + 38297.

It is an arithmetic number, because the mean of its divisors is an integer number (16114140).

Almost surely, 2^128472882 is an apocalyptic number.

128472882 is an abundant number, since it is smaller than the sum of its proper divisors (129353358).

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

128472882 is a wasteful number, since it uses less digits than its factorization.

128472882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73377.

The product of its digits is 114688, while the sum is 42.

The square root of 128472882 is about 11334.5878619383. The cubic root of 128472882 is about 504.5882759887.

The spelling of 128472882 in words is "one hundred twenty-eight million, four hundred seventy-two thousand, eight hundred eighty-two".