128885608 has 8 divisors (see below), whose sum is σ = 241660530. Its totient is φ = 64442800.

The previous prime is 128885579. The next prime is 128885611. The reversal of 128885608 is 806588821.

It can be written as a sum of positive squares in only one way, i.e., 90668484 + 38217124 = 9522^2 + 6182^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×128885608² = 33222999899059328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8055343 + ... + 8055358.

Almost surely, 2^128885608 is an apocalyptic number.

It is an amenable number.

128885608 is a deficient number, since it is larger than the sum of its proper divisors (112774922).

128885608 is a wasteful number, since it uses less digits than its factorization.

128885608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16110707 (or 16110703 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 46.

The square root of 128885608 is about 11352.7797477094. The cubic root of 128885608 is about 505.1280373318.

It can be divided in two parts, 12888 and 5608, that added together give a square (18496 = 136²).

The spelling of 128885608 in words is "one hundred twenty-eight million, eight hundred eighty-five thousand, six hundred eight".