2608687128 has 32 divisors (see below), whose sum is σ = 6905349360. Its totient is φ = 818411520.

The previous prime is 2608687079. The next prime is 2608687139. The reversal of 2608687128 is 8217868062.

2608687128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 3196513 + ... + 3197328.

Almost surely, 2^2608687128 is an apocalyptic number.

It is an amenable number.

2608687128 is an abundant number, since it is smaller than the sum of its proper divisors (4296662232).

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

2608687128 is a wasteful number, since it uses less digits than its factorization.

2608687128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6393867 (or 6393863 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 2608687128 is about 51075.3083984816. The cubic root of 2608687128 is about 1376.5986260351.

The spelling of 2608687128 in words is "two billion, six hundred eight million, six hundred eighty-seven thousand, one hundred twenty-eight".