128610808 has 8 divisors (see below), whose sum is σ = 241145280. Its totient is φ = 64305400.

The previous prime is 128610803. The next prime is 128610821. The reversal of 128610808 is 808016821.

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

It is a super-3 number, since 3×128610808³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128610803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8038168 + ... + 8038183.

It is an arithmetic number, because the mean of its divisors is an integer number (30143160).

Almost surely, 2^128610808 is an apocalyptic number.

It is an amenable number.

128610808 is a deficient number, since it is larger than the sum of its proper divisors (112534472).

128610808 is a wasteful number, since it uses less digits than its factorization.

128610808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16076357 (or 16076353 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 128610808 is about 11340.6705269133. The cubic root of 128610808 is about 504.7687834772.

The spelling of 128610808 in words is "one hundred twenty-eight million, six hundred ten thousand, eight hundred eight".